Did you know that Lady Gaga was once in an AC/DC video? It’s okay if you don’t as it’s not exactly easy to spot her. The pop star and actress revealed that she appeared in the band’s “Stiff Upper Lip” ...

Many Lady Gaga fans know she appeared in an episode of The Sopranos as a teenager. (Specifically, she played "Girl At Swimming Pool #2" in the ninth episode of season three, "The Telltale Moozadell.") ...