Joe Jonas Dances for 'Single Ladies'

Beyoncé and purity ring wearer Joe Jonas say, "If you liked it then you shoulda put a ring on it!"

The 19-year-old is dancing in a leotard (and high heels!) to get the word out about the Jonas Brothers' new album, "Lines, Vines, and Trying Times."

Watch Beyoncé's Single Ladies (Put A Ring On It) video