Ashley Greene : Teen Choice Awards 2011 August 7

Ashley Michele Greene (born February 21, 1987) is an American actress and model, best known for playing Alice Cullen in the film adaptations of Stephenie Meyer's Twilight novels.

Skyler Samuels : Teen Choice Awards held at Gibson Amphitheatre

Skyler Samuels (born April 14, 1994) is an American actress. She is known for her recurring role as Gertrude "Gigi" Hollingsworth in Wizards of Waverly Place on Disney Channel and for appearing in the feature films The Stepfather and Furry Vengeance. She also starred in the ABC series The Gates. Now, Skyler currently stars as main character, Chloe King, on the ABC Family series, The Nine Lives of Chloe King.

Demi Lovato : Teen Choice Awards held at Gibson Amphitheatre

Demetria Devonne "Demi" Lovato[1] (born August 20, 1992)is an American singer, songwriter, musician, and actress. Her earliest roles included Angela on Barney & Friends, before she became better known for her starring roles in the Camp Rock movies, as Sonny Munroe in Sonny with a Chance, and as the star of the 2009 movie Princess Protection Program. She is also involved in philanthropic activities through charity work and various social and environmental causes.

Rachel Bilson : Teen Choice Awards held at Gibson Amphitheatre

Rachel Sarah Bilson (born August 25, 1981) is an American actress. Bilson grew up in a California show business family, and made her television debut in 2003, subsequently becoming well known for playing Summer Roberts on the prime time drama series The O.C. Bilson made her film debut in the 2006 film The Last Kiss and starred in the 2008 action/science fiction film Jumper

Alexa Vega : Teen Choice Awards held at Gibson Amphitheatre

Alexa Ellesse Vega (born August 27, 1988) is an American actress, singer and pianist. She is best known for playing Carmen Cortez in the Spy Kids film series and Shilo Wallace in the movie Repo! the Genetic Opera. In 2009, she starred as the title character Ruby Gallagher in the ABC Family series Ruby & The Rockits.

Zoe Saldana : 2011 Teen Choice Awards

Zoe Saldana (pronounced /sælˈdænə/ sal-dan-ə; born June 19, 1978), stylized Zoë Saldaña and variants thereof, is an American actress. She had her breakthrough role in the 2000 film Center Stage, and later gained prominence for her roles as Anamaria in Pirates of the Caribbean: The Curse of the Black Pearl, Uhura in the 2009 film Star Trek, and Neytiri in James Cameron's Avatar. In 2010, she appeared in the films The Losers and Takers.

Olivia Wilde : Berlin Premiere of "Cowboys and Aliens"

Olivia Wilde (born Olivia Jane Cockburn; March 10, 1984)[1] is an American actress and model. She began acting in the early 2000s, and has since appeared in a number of film and television parts, including roles in the serial-drama The O.C. and The Black Donnellys. She portrays Dr. Remy "Thirteen" Hadley in the TV drama House,[1] and in 2010 starred as Quorra in Tron: Legacy.

Cassie Scerbo : Teen Choice Awards held at Gibson Amphitheatre

Cassandra Lynn "Cassie" Scerbo (born March 30, 1990) is an American actress, singer and dancer. She is best known for her roles in Bring It On: In It to Win It as Brooke and Make It or Break It as Lauren Tanner.

Lucy Hale :Teen Choice Awards held at Gibson Amphitheatre

Karen Lucille Hale (born June 14, 1989), better known as Lucy Hale, is an American actress and singer. She is known for her roles as Becca Sommers in Bionic Woman, Rose Baker in Privileged, Sherrie in the horror film Scream 4, and as Aria Montgomery on the hit ABC Family series Pretty Little Liars. She is also known for her appearance on the reality show American Juniors.

Blake Lively :Teen Choice Awards held at Gibson Amphitheatre

Blake Christina Lively (born August 25, 1987) is an American actress and model who stars as Serena van der Woodsen in the television teen drama series, Gossip Girl. She has also starred in movies, including Accepted, The Sisterhood of the Traveling Pants, The Private Lives of Pippa Lee, The Town and Green Lantern.