(I don't own this picture. All Rights go to the owners.)

Name: Melody
Age: Same age as Luigi and Mario
Gender: Female
Species: Human
Personality: Kind, strong sometimes, clumsy sometimes, helpful, caring, smart, brave, protective, talented, silly sometimes, serious sometimes, adventurous, curious sometimes
Looks: Long brown hair in a low ponytail, purple color eyes and wears a white long sleeve shirt underneath an orange overall dress, light brown tights, gray boots, a yellow star pendant, a yellow star bracelet, light brown rose earrings, yellow and light brown striped armwarmers, a yellow satchel and a light brown zip-up hoodie.
Family: Luigi and Mario (Older Brothers), Unnamed Father, Unnamed Mother
Friends: Toads, Periwinkle, Peach, Donkey Kong
Enemies: Bowser, Kamek, Koopas
Crush: Open
Others: Protective of her family and friends.

Sounds like Ariana Grande