The Monitor

You know her best as Blair from "Gossip Girl," but Leighton Meester isn't just an actress. Find out more about Meester's music career - and what it's like to take the stage at The Garden for the first time.

For more from Leighton Meester, Taylor Swift, John Mayer and other artists from the Jingle Ball lineup, tune to MSG on Friday at 11PM for "Road to MSG: Z100's Jingle Ball 2009."

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