Must Be Pop Masterlist
- Aaron Johnson - actor
- Aaron Staton - actor
- Abby Elliott - actress
- Adalita Srsen - musician, Magic Dirt
- Adam Brody - actor
- Adam Henrique - athlete, hockey, New Jersey Devils
- Adam Lambert - musician, American Idol 8
- Adam Levine - musician, Maroon 5
- Adrian Grenier - actor
- Adriana Lima - model
- Adrienne Armstrong - other, wife of Billie Joe Armstrong, Green Day
- Adrienne Barbeau - actress, writer
- Aidan Turner - actor
- Alaina Beaton - musician, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Alec John Such - musician, Bon Jovi, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Ales Hemsky - athlete, hockey player, Edmonton Oilers
- Alessandra Ambrosio - model
- Alessandra Torresani - actress
- Alex Burrows - athlete, hockey, Vancouver Canucks
- Alex Greenwald - musician
- Alex Kapranos - musician, Franz Ferdinand
- Alex Noyes - musician, Honor Society
- Alex Pettyfer - actor
- Alex Pietrangelo - athlete, hockey, St. Louis Blues
- Alexa Chung - model
- Alexander Edler - athlete, hockey player, Vancouver Canucks
- Alexander Skarsgård - actor
- Alexandre Picard - athlete, hockey player, Phoenix Coyotes
- Alexis Bledel - actress
- Alexis Dziena - actress
- Alia Shawkat - actress
- Alice Braga - actress
- Alice Eve - actress
- Alison Pill - actress CLOSED, CHOOSING REPLACEMENT UNTIL SEPTEMBER 9
- Alison Sudol - musician, A Fine Frenzy - CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Allan Hyde - actor
- Allison Iraheta - musician, American Idol 8
- Allison Mack - actress
- Alyonka Larionov - daughter of hockey player Igor Larionov
- Alyssa Milano - actress
- Amanda Seyfried - actress
- Amanda Stott - musician, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Amber Benson - actor
- Amber Heard - actress
- Amber Tamblyn - actress
- Amelia Warner - actress
- Amy Poehler - actress
- Anderson Cooper - other, TV personality
- Andi Muise - model
- Andrew Alberts - athlete, hockey, Vancouver Canucks
- Andrew Cogliano - athlete, hockey player, Edmonton Oilers
- Andrew Cook - family member, brother of David Cook
- Andrew Garfield - actor
- Andrew Ladd - athlete, hockey player, Atlanta Thrashers
- Andrew Raycroft - athlete, hockey player, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Andrew Stanton - TV personality (America's Got Talent), SwingShift Sideshow performer
- Angelina Jolie - actress
- Angelo Esposito - athlete, hockey player, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Anna Faris - actress
- Anna Kendrick - actress
- Anna Nalick - musician
- Anna Paquin - actress
- Anna Torv - actress
- Annalynne McCord - actress, CLOSED, CHOOSING REPLACEMENT UNTIL SEPTEMBER 24
- Anne Hathaway - actress
- Anne Vyalitsyna - model
- Annie Hardy - musician
- Antoine Vermette - athlete, hockey, Columbus Blue Jackets
- Anton Stralman - athlete, hockey player, Columbus Blue Jackets
- Ari Graynor - actress
- Ashley Benson - actress
- Ashley Greene - actress
- Ashley Leito - musician, Canadian Idol 3, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Ashley Olsen - actress
- Ashley Tisdale - actress
- Ashton Kutcher - actor
- Asia Argento - actress
- Aspen Miller - actress
- Aubrey Plaza - actress
- Audrina Patridge - TV personality
- Austin Nichols - actor
- Ayla Brown - musician, American Idol, CANNOT BE PORTRAYED PER CELEB'S REQUEST