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Demi Lovato booked: 2012 MTV Video Music Awards

By April MacIntyre Aug 28, 2012, 15:10 GMT

Demi Lovato - 2012 Teen Choice Awards - Arrivals - Gibson Amphitheatre - Universal City, CA, USA © Tina Gill / PR Photos

Demi Lovato will perform at the MTV Video Music Awards along with EDM superstar Calvin Harris at 7 p.m. ET/PT on Thursday, September 6.

Lovato will sing "Give Your Heart a Break" during the hour-long VMA pre-show, which will air live on September 6 from 7 p.m. to 8 p.m. ET/PT. Demi will warm up the VMA crowd prior to the start of the main attraction, which is set to air live from the Staples Center in Los Angeles beginning at 8 p.m. ET/PT.

The warm-up show's soundtrack will also be added to by EDM artist, DJ Calvin Harris. Nominated in the Best Electronic Dance Music Video category, Harris will warm up the VMA crowd for an hour prior to the start of the main attraction.

MTV's "2012 Video Music Awards Pre-Show," sees network stars Sway Calloway, Jim Cantiello, James Montgomery and Christina Garibaldi on the red carpet, plus conducting behind the scenes interviews with music's hottest stars. Also on the carpet, British TV host and fashion expert Louise Roe will return as MTV's international guest correspondent.

MTV will air a "Jersey Shore Look Back Special" at 6 p.m. ET/PT, plus never-before-seen footage in preparation for the upcoming sixth season of "Jersey Shore" in October. During the special, the cast will break in with live hits from the red carpet with their reactions, remarks and messages for fans. The pre-show will also feature the announcement of the all-new "Most Share-Worthy Video" award, presented by Bing.

Scheduled to perform are One Direction,Taylor Swift, Green Day, Rihanna, Pink, and singer Frank Ocean.

Rihanna is tied with Drake for the night's most nominations, including two bids for Video of the Year.

Among the presenters also confirmed for the show are the Wanted, Andy Samberg, Rashida Jones, 2 Chainz, Ke$ha Miley Cyrus, Wiz Khalifa, Mac Miller and the "Fierce Five," the U.S. Women's Olympics Gymnastics Team that won the team gold medal at the 2012 Olympic Games. The show will be hosted by comedian Kevin Hart and will also feature a performance from Alicia Keys.

The 2012 MTV Video Music Awards will air live from Staples Center in Los Angeles on Thursday, September 6, at 8 p.m. ET/PT.