Here is all of the celebrity/model claims. Check here first before making your profile to make sure you don't try to claim a celebrity/model that has already been claimed. They are sorted from male and female then alphabetical.
Female:
Amber Heard - Victoire Weasley
Avril Lavigne - Dominique Weasley
Bella Thorne - Lily Potter
Brookelle Bones - Rocky White.
Emma Stone - Lucy Weasley
Kate Beckinsale - Janet Haley
Leighton Meester - Darcy Boyd
Selena Gomez - Ellie Vanity
Vanessa Hudgens - Victoria Knightly
Victoria Justice - Olivia Falcon.
Male:
Aaron Yan - Micheal Stidolf.
Billy Joel - Neon Fressman
Chad Micheal Murray - Scorpius Malfloy
Jean Luc Bilodeau - Travis Croft.
Shiloh Fernandez - Jared McFarland.