Miley Cyrus: Beacher's Madhouse Vegas Opening This Month!

Miley Cyrus is all smiles backstage at Hot 99.5′s Jingle Ball 2013 held at Verizon Center on Monday night (December 16) in Washington, D.C.

The 21-year-old singer tweeted with a pic of herself and younger sister Noah later on that same day, “Backstage bored as hell with @noahcyrus.”

PHOTOS: Check out the latest pics of Miley Cyrus

It was recently announced that Miley will be on hand to help unveil the highly anticipated return of Beacher’s Madhouse at MGM Grand Hotel & Casino in Las Vegas later this month, just before the New Year.