Voting continues for your favorite nominees online at www.teenchoiceawards.com
Singer, actress and "The X Factor" judge Demi Lovato is set to host "Teen Choice 2012," airing live Sunday, July 22 (8 until 10 p.m.), on FOX.
Also, Cat Deeley has been added to the choice list of talent scheduled to appear.
"Teen Choice" celebrates the hottest teen icons in television, music, film, sports, fashion, comedy and the Web. Previously announced participants include Troian Bellisario, Ashley Benson, Miley Cyrus, Zooey Deschanel, Ellen DeGeneres, Jason Derulo, Zac Efron, Selena Gomez, Lucy Hale, Josh Hutcherson, Victoria Justice, Laura and Vanessa Marano, Bridgit Mendler, Lea Michele, Shay Mitchell, Tyler Posey, Gordon Ramsay, Dax Shepard, Sophia Grace and Rosie, Jordin Sparks and Taylor Swift.
The live special also will feature performances by Justin Bieber, Carly Rae Jepsen, Flo Rida, No Doubt and DJ Pauly D, who will serve as "Choice" DJ for the night.
Fans ages 13-19 can vote once each day per category for their favorite "Teen Choice" 2012 nominees at www.teenchoiceawards.com. Voting ends at 2:59 a.m. ET on Saturday, July 21.
Singer and actress Lovato started in show business as a pre-teen and rose quickly. By the time she was 15, she was a bona fide TV star cultivating a promising singing career. Over the past several years, while maintaining a rigorous TV and film shooting schedule, Lovato released three successful solo albums, "Don't Forget" (2008), "Here We Go Again" (2009) and "Unbroken (2011); all chart-topping debuts.
The debut single, "Skyscraper," off of her latest album, "Unbroken," debuted at No. 1 on iTunes' chart and recently went platinum. Her new single, "Give Your Heart a Break," is already gold and the video has garnered 22 million YouTube views. Earlier this year, Lovato accepted the People's Choice Award for Favorite Pop Artist, an award chosen solely by the fans. She is currently on her U.S. summer tour and will serve as one of the judges on "The X Factor," premiering Wednesday, Sept. 12 (8 to 10 p.m.), and Thursday, Sept. 13 (8 p.m.), on FOX.
At "Teen Choice" 2011, Lovato was the recipient of the inaugural ACUVUE Inspire Award, in recognition of her work with the Jed Foundation's Love is Louder movement. She continues to inspire teens this year in her role as a celebrity mentor for the ACUVUE 1-DAY Contest, showing them that they too can fulfill their dreams.
"Like" "Teen Choice 2012" on Facebook at http://www.facebook.com/teenchoiceawards. Follow the special on Twitter @teenchoicegirl and join the conversation at #teenchoice.