A/n: Hi guys! So first of all I want to say that I hope that you had a happy new year! Also, I know that this post is about a day late, but just imagine Shawn on New Years omggg I can't handle it. Okay, I hope that you enjoy this imagine! Let's begin!

My boyfriend of four and a half years, singer and songwriter Shawn Mendes, and I are hosting a New Years party at our house. I was very nervous, since it was my first time hosting a party like this, and Shawn and I have a lot of friends coming over. Shawn must have sensed my nerves because he took a break from setting up the balloons to walk over to where I was, in the kitchen setting up the champagne. Shawn took my hands in his and rubbed circles on them. I looked into his comforting caramel eyes and felt slightly better.

"Are you okay honey? Are you nervous?" Shawn asked. I nodded in response to his second question.

"Nervous. This is my first time hosting - well, helping to host - something like this and there's going to be a lot of people here. What if people don't like the party? What if people leave early because it bores them or something? What if the music isn't right? What if -" I asked before Shawn cut me off with a magical kiss on the lips. I felt my heart race at what felt like a hundred miles an hour, I felt sparks shoot through my whole body like fireworks, and I felt butterflies erupt and fly around in my tummy. Shawn and I pulled away from the kiss, breathless.

"Honey, breathe. Everything is going to be perfect, okay?" Shawn asked. I let out a shaky breath and nodded.

"Okay. I love you Shawny." I said. Shawn smiled at me and kissed my forehead, letting his lips linger when he pulled away, which is his way of saying that he loves me.

"I love you too my dear. I'm going to wife you up someday, and that's a promise." Shawn said with a smile. My smile grew wider as I hugged him.

"Really? You really want to marry someday?" I asked while looking up at him. He chuckled and nodded.

"Yes I really want to marry you someday honey. I bought a whole damn house with you babe. This is going to be our forever home." Shawn said, brushing a stray hair out of my face with one hand and rubbing my cheek with his other hand. I smiled at him and nuzzled my face into his chest. He kissed the top of my head.

"I know that I've already said this, but I really, really, love you Shawn." I said, looking up at him again.

"I love you too Y/n. Now, Miss Y/l/n, I have a question for you." Shawn said with a smirk.

"What is it?" I asked.

"Would you like to be my New Years kiss?" Shawn asked. I nodded my head violently.

"I would love to be your New Years kiss." I said. Shawn smiled at me before pulling away from our hug.

"Good. Now come on, let's finish getting the house ready." Shawn said. I nodded and went back to what I was doing. Soon, Shawn and I were done setting up the house and quickly afterwards, people started to show up at the house. All of Shawn's bandmates came in, Brian was there, a bunch of Shawn's friends from home attended, Camila, Andrew, Geoff and Teddy, along with others, showed up too. Our house was so packed, that it was hard to find Shawn at certain points. I soon went up to Camila.

"Hey girl! How are you?" Camila asked me as she pulled me in for a hug. When Shawn and I first started to date, I was very jealous of the relationship that they shared, but as time went on, things got better and now Camila and I are good friends.

"Hey! I'm good, how are you?" I said and asked. She smiled.

"I'm good! Can we talk about Shawn for a second?" She asked. I nodded.

"Of course. If I could talk about that boy all day, I would." I said with a smile as Camila laughed. Her and I sat down on the couch and faced each other as we sipped some champagne.

"Y/n, I've heard Shawn talk about girls in the past - before you two started to date - but when he talks about you, oh my gosh. Yesterday him and I were talking and he sent me a huge paragraph about how much he loves you and how you're his soulmate and he's so beyond happy and glad that he found you. He said that he doesn't know what he would do without you and he wants to marry you and have kids with you and grow old with you. That boy really loves you Y/n, and I hope that you know that." Camila said as she took one of my hands in hers.

"I know that he loves me, and I love him too. So, so, so much. Today, when we were getting the house ready for the party, he promised me that he would marry me, and I believe him. He's definitely the one. He's the one that I want to spend the rest of my life with. He's my best friend, my rock, my biggest supporter, my everything. I don't know what I would do without him either." I said. Camila smiled at me and squeezed my hand.

I looked up and saw Shawn standing with his friends, smiling and laughing. He shrugged his shoulders at a question that Brian had asked him and suddenly started to look around the room. I knew that his eyes were searching for me, and he quickly spotted me sitting on the couch with Camila. His smile grew and his eyes lit up when he saw me, and he pointed me out to Brian. Brian waved at me and I waved back. Shawn said something to him and then started to walk over to Camila and I. He saw that Camila was holding my hand and he squatted down in front of us as he looked at Camila.

"You're holding my girlfriend's hand Cabello. Are you trying to steal her from me?" Shawn asked her with a mischievous smirk. Camila and I laughed and shook our heads as we let go of each other's hands. Camila stood up so Shawn could sit next to me.

"No, I was just having some girl talk with your girl." Camila said. Shawn smiled at me as he spoke.

"You're right, she is my girl." Shawn said. I smiled at him as Camila walked away and Shawn sat down next to me, pulling me nice and close to him. He had a beer in his hand.

"So yesterday you sent Camila a huge paragraph about how much you love me, huh?" I teased. Shawn blushed. He knew that he had been caught. He nodded and pulled me over so I was sitting on his lap, his arms wrapped around me, holding me securely.

"Yeah. I just love you a lot. Is it a crime to be so in love with my future wife?" Shawn asked, teasing me. I giggled and shook my head.

"Nope, not at all. You know, I'm pretty in love with my future husband. Did you know that?" I asked.

"I better be the future husband that you're talking about or I'm not going to be happy." Shawn said with a chuckle. I laughed.

"Of course you're my future husband! And I have to say, I'm very in love with you. You're my soulmate Shawn." I said with a smile, and Shawn returned the warm smile. Knowing that I was the one that put that smile on his face gave me a warm, fuzzy, happy, feeling inside. I kissed his divine lips and got all of the same magical feelings again.

"Guys the countdown is going to begin soon!" Someone yelled. Shawn and I stood up as people started to count down.

"Let's start kissing when they get to three, and we won't stop until next year." Shawn said. I smiled and nodded. As soon as people got to the number five, Shawn and I held each other's faces and started to lean forward. Once people reached the number three, our lips met, and I felt everything all over again. The sparks, the heart racing, the butterflies, all of it. I felt it all over again, just like I always do every single damn time that Shawn and I kiss. Shawn and I didn't stop kissing until it felt like we couldn't possibly kiss anymore. We pulled away, gasping for our after our amazing and passionate yet loving kiss. We leaned our foreheads together after the kiss, smiling at each other, trying to catch our breaths.

"I love you Shawn Mendes." I said.

"I love you too Y/n Y/l/n." Shawn said. We kissed once again.

"Gosh I never want to stop kissing you Shawny." I said with a giggle. Shawn tipped his head back with laughter.

"I never want to stop kissing you either honey. Happy New Year." Shawn said.

"Happy New Year." I said. It was as if Shawn and I couldn't stop smiling at each other.

"Here, follow me." Shawn said as he took my hand. I felt sparks shoot through me yet I felt safe and warm at the same time as I gave Shawn a confused look.

"Where are we going?" I asked.

"You'll see." Shawn yelled over the music and sound of people talking. He opened the door to the back deck, and we stepped out. He brought me over to the railing of our deck and hugged me from behind, resting his head on my shoulder as he swayed us from side to side.

"Shawn?" I asked.

"Hm?" He asked.

"What are we doing out here?" I asked, still feeling a little confused.

"We're getting some air because it's a little stuffy in there, and we're getting our first few moments alone in the new year. This is a nice slow song that's playing, do you want to dance to it my love?" Shawn asked. I turned around to face him.

"Shawn, you know that we're both terrible dancers." I said with a small laugh. Shawn smiled.

"Yes, but we could just sway. That's not so hard, right?" Shawn said and asked. I shook my head as I wrapped my arms around Shawn's shoulders, and he wrapped his arms around my waist.

"No, it's not." I said. We started to slowly sway side to side to the song as our foreheads leaned against each others. The song came to an end and Shawn and I pulled our foreheads away, smiling at each other. Shawn suddenly became serious.

"Marry me." Shawn said. Oh my God.

"What?" I asked, wanting to make sure I heard him correctly and properly.

"I know that I don't have the ring on me right now but it's upstairs in one of my drawers. Marry me Y/n. Be mine forever." Shawn said. I smiled at him.

"I'll marry you Shawn." I said. Shawn's eyes widened and he got the biggest smile on his face.

"Really?" He asked.

"Yes! A million times yes Shawn! I'll marry you." I said. Shawn smiled at me and kissed me, it was a deep, passionate, but loving kiss.

"I'll be right back. Stay right here." Shawn said. I smiled and nodded as he ran inside. Oh my gosh. I'm engaged. I'm going to get married. Shawn quickly came back out and when he got in front of me, he went down on one knee and opened a box to reveal the most beautiful ring that I've ever seen. It suddenly became real, and tears formed in my eyes.

"Oh my gosh." I said.

"Y/n Y/m/n Y/l/n, let me ask you properly: I love you more than any single thing in this whole world, and that includes music. You're my best friend, my soulmate, my biggest fan, Y/n you're my everything. Will you make me the happiest man alive and marry me?" Shawn asked. I nodded as tears ran down my face.

"Yes Shawn! Yes, yes, yes!" I said. Shawn put the ring on my finger and stood up so he could pull me in for a kiss. We pulled away from each other and he cupped my face in his hands as I held his wrists.

"Baby, we're engaged. We're going to get married." Shawn said. I nodded, tears still running down my face - they were happy tears of course.

"Yeah. Oh my gosh this is the best New Years ever." I said. Shawn laughed and helped me to wipe my own tears away.

"Do you think that I proposed at a good moment? Could it have been better? Oh my gosh honey I'm so sorry, I should have done it in a better way." Shawn said. I shook my head violently.

"Baby boy, that was the best way that you could have done it. I loved it. Please don't overthink it honey. As long as I get to marry you, the love of my life, I'm happy." I said, causing Shawn to smile. He kissed my forehead and the warmth of his lips made me flutter my eyes shut.

"Let's go back inside and announce it." Shawn said. I smiled and nodded.

"Okay." I said. We walked back inside.

"Everybody, can I have your attention?" Shawn yelled. Once everyone quieted down, Shawn began to speak again and he held my hand up. "WE'RE ENGAGED!" He yelled. Everyone started to cheer and congratulate and hug us. Camila ran up to us and hugged us.

"Congratulations guys!" She said.

"Thank you!" Shawn and I both said. All of us danced the night away, and Shawn and I never left each other's sides. People kept asking to see the ring, which I gladly showed them, and kept admiring. People eventually left, causing us, a newly engaged couple, alone - not that we were upset about that, in fact, we loved it.

"Do you like it? I could always get you a different ring if you want." Shawn asked and said. I shook my head no violently.

"No, don't get me a different one. I love this one. It's the most beautiful ring that I've ever seen. You know me so well." I said with a smile. Shawn smiled back.

"Happy New Year honey." Shawn said.

"Happy New Year." I said. Shawn and I smiled at each other.

"Best New Years ever." Shawn said and I giggled and nodded.

"Best New Years ever." I said.