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

Name: Luna
Age: Unknown
Species: Doll
Gender: Female 
Personality: Kind, smart, brave, strong sometimes, creative, caring, courageous, protective, beautiful, curious sometimes, romantic to Ox, talented 
Crush: Ox (Secret Crush)
Appearance: Long blonde hair in low pigtails with mint green ribbons, royal blue color eyes and wears a stand collar light green lace up apricot classic lolita long sleeve shirt underneath a open front light green classic lolita ruffle sling dress, white tights, light blue mary jane strap shoes, a emerald green rose pendant, navy blue and emerald green lace fingerless glove, emerald green rose earrings, a white satchel and a mint green lace parasol.
Sometimes wears her school uniform when she's at the Institute of Perfection.
Family: Lou (Older Twin Brother)
Friends: Pretty Dolls, Mandy, Ugly Dolls, Spy Girls
Enemies: Lou, Bullies
Likes: Dressing up, hanging out with her friends, Ox, shopping, reading books, being with her friends, parties, singing, dancing, flowers, tea parties, playing the violin and piano, painting, gardening, baking, cooking, drawing in her sketch book, being with Ox, helping others, romance, happy endings
Dislikes: Lou hurting Ox, losing Ox, dolls being insulted and hurt

Sounds like Idina Menzel