Teen Choice Awards 2013: Demi Lovato to perform, Nina Dobrev, Selena Gomez, Ashton Kutcher, and more to present

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The roster of celebs performing and presenting at the 2013 Teen Choice Awards just got a whole lot bigger.

"X Factor" judge and singer Demi Lovato will perform her new hit single, "Made in the USA," as well as present the Acuvue Inspire Award with "X Factor" Season 2 finalists Fifth Harmony. The award will be given to an inspirational person who, over the past year, has used his or her celebrity stature to make a difference in the lives of teens. Past recipients include Lovato and Miranda Cosgrove.

Newly announced stars scheduled to appear/present at the TCAs are Nina Dobrev, Selena Gomez, Ashton Kutcher, Keegan Allen, Ashley Benson, Troian Bellisario, Anna Camp, Josh Gad, Candice Glover, Ian Harding, Fifth Harmony, Alexis Knapp, Hana Mae Lee, Shay Mitchell, and Janel Parrish. They join previously announced stars scheduled to appear Erin Andrews, Skylar Astin, Abigail Breslin, Sandra Bullock, Lily Collins, Miley Cyrus, Alexandra Daddario, Adam DeVine, Gabby Douglas, Emblem3, Max Greenfield, Simon Helberg, Liam Hemsworth, Brandon T. Jackson, Logan Lerman, Little Mix, Demi Lovato, Ross Lynch, Laura Marano, Bridgit Mendler, Christopher Mintz-Plasse, Maia Mitchell, Chloë Grace Moretz, Jim Parsons, Ben Platt, Tyler Posey, Leven Rambin, Cody Simpson, Brittany Snow, Ian Somerhalder, Hailee Steinfeld, Bella Thorne, The Wanted, Kerry Washington, Russell Westbrook and Rebel Wilson.

The star-studded event, hosted by Darren Criss and Lucy Hale, celebrates the hottest teen icons in television, music, film, sports, fashion, comedy, and the web. Fans ages 13-19 can vote once each day per category for their favorite nominees at www.teenchoiceawards.com.

The 2013 Teen Choice Awards air live on Sunday, August 11 at 8 p.m. ET on Fox.

Photo/Video credit: Getty Images
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