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OTRC: Demi Lovato returns to the stage at Do Something awards

After a troubled year, Demi Lovato is ready for a comeback.

The former "Sonny with a Chance" star performed her latest single "Skyscraper" at the VH1 Do Something Awards on Sunday, which is set to air on Thursday, August 18, at 9 p.m.

The song is off her upcoming third studio album "Unbroken" and the performance is Lovato's first live stage show since she underwent treatment in a clinic and revealed she had battled anorexia and bulimia earlier this year.

The singer and actress earned an award at the ceremony for her charity song "Make A Wave" with ex-boyfriend Joe Jonas.

Lovato's album is set for release on September 20.

In an interview with Elle magazine earlier this month, Lovato shot down rumors that her health woes were caused because of her split with the Jonas brother.

"I wouldn't credit my meltdown to a guy. There was so much other stuff in my life," she said.

As for the incident where she punched a back up dancer in the face while touring last year, Lovato said, "I just felt like she'd betrayed me ...That's the bottom line."

According to the magazine Lovato's attorneys settled the lawsuit the dancer filed against her in December. "When you punch someone on a plane, enough is enough," she told the magazine. "Right after, I texted my mom and just said, 'I'm sorry.'"

Lovato left the tour in the fall of 2010. She underwent nearly three months of inpatient treatment and returned to her Los Angeles home in January.

The singer and actress also talked about the media attention she got when she arrived at Miley Cyrus' 16th birthday party with scars from cutting on her wrists in 2008. At the time her then publicist explained that the marks were from gummy bracelets. "I don't think I would have been ready to talk about [my problems] then, but I could've come up with something better than gummy bracelets," she said. "Needless to say, that publicist is no longer with us ... I mean, she's alive."

Lovato told ABC News in April that she checked into Timberline Knolls - a residential treatment center in Illinois for women battling addiction and eating disorders.

She said that at the clinic, she found inspiration to get better by looking at a picture of her 9-year-old half sister Madison De La Garza, who plays Juanita Solis on the ABC drama series "Desperate Housewives." De La Garza is overweight herself.

Lovato also revealed that she began dealing with depression when she was a child and began cutting herself when she was 11.

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