Miley Cyrus Rocks FNMTV

Miley Cyrus flicks her wrists before a live taping of MTV’s FNMTV on Friday at Ren-Mar Studios in Hollywood.

The 15-year-old Hannah Montana star, whose album Breakout opened at No. 1 in its first week, performed her hit singles “7 Things” and “Fly on the Wall”. She also joined pregnant singer Ashlee Simpson backstage.

Miley is also set to host this Sunday’s 2008 Teen Choice Awards, which FOX will be airing on Monday @ 8PM ET/PT. She’ll perform “7 Things” again! Mariah Carey will also perform her latest single “I’ll Be Lovin’ You Long Time.”

10+ pictures inside of Miley Cyrus heating up FNMTV…