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Talk about an unlikely trio!

On Wednesday afternoon Lady Gaga made an appearance on The Late Show With David Letterman, and the pop star got some assistance from Dave and Bill Murray, who was also a guest on the show last night. Gaga has fallen in her crazy platforms before, so it's not a bad idea to have a little support on either side of her!

The singer stomped into the Ed Sullivan Theater on her own, but rather than performing or hiring someone to barf on her, she found another way to shock the audience -- by inviting them to the Roseland Ballroom to watch one of her concerts there! Gaga is currently in the middle of a seven-night run to close the legendary venue, which opened in 1919. “You can come over and I’ll sing some songs,” Gaga told the crowd.

P.S. Think Katy Perry's made that Gaga beat her to the punch with slime green hair, even if it is just a wig?