[artist id="3079280"]Demi Lovato[/artist] calls it a "huge honor" to be a part of the [article id="1602663"]Kids' Inaugural Concert[/article] on Monday. But, the "Sonny with a Chance" star is hoping that by the time the show rolls around, she'll have calmed her nerves calmed.

"I'm ridiculously nervous, to a point where I don't know what I'll be able to do with myself," the 16-year-old told TVGuide.com, adding that she'll be performing her songs "Get Back" and "La-La Land." "I hope I don't fall!

"It's not just another president," the Disney star added (as if she's been around for other inaugurations). "It's Obama."

Also on hand for the concert will be

"It's absolutely an honor to be able to perform," Nick said. "What we're doing [with this concert] is for the children and families of the military. We could not have been more thrilled to do that specifically."

According to the Presidential Inaugural Committee, the show's audience will consist of active-duty, reserve, guard and injured members of the military and their families, as well as families of fallen soldiers. It will air on the Disney Channel at 8 p.m. ET.

Meanwhile, Nick's older brother Kevin, had more selfish reasons for signing up for the concert. "I know there's a bowling alley [in the White House]," Kevin joked. "I just want to hang out!"

"Be the Change: Live From the Inaugural" will air live on MTV on Tuesday, January 20, at 10 p.m. ET/ 7 p.m. PT. MTV News will have wall-to-wall coverage of the event and of the scenes in Washington, D.C., New Orleans and Kenya in the days leading up to the event and in the days that follow.