Jennifer Lopez may seem like the epitome of cool. But her first job in the entertainment business? No so much. The “American Idol” judge told Jay Leno on last night’s “Tonight Show” that her first job was dancing with New Kids on the Block in 1991. To her shrieking dismay, Leno had video of the dancing.

In other revelations that should embarrass Lopez, she told Leno that she was able to reunite with her estranged mother because of Barry Manilow tickets.

Jennifer Lopez: NKOTB backup dancer and Fanilow.

Watch the whole interview below: