Vanessa Carlton

The Lady Gaga and Bjork impressions will blow your mind.

Web sleuths are trying to uncover the identity behind the mystery 'famous actor' Vanessa Carlton wrote her hit single about.

Vanessa Carlton is about to take on the starring role as Carole King in the Broadway musical "Beautiful."

See how much pop stars like Rihanna, Britney Spears and more have changed their look since their music video debut.