On November 16, Lady Gaga guest stars on Gossip Girl in an episode titled "The Last Days of Disco Stick." A shot of Gaga on set reveals she wears nipple pasties outside her outfit, which includes a miraculously opaque bra. Apparently, the plot involves Blair getting Gaga to put on a private show. Leighton Meester describes Gaga's appearance as "very avant-garde and kind of gothic." Though we can't see the bottom of her outfit in this picture, People reports that Gaga wears a "30 ft.-long stage dress" — a fantastic way to make up for all those bottoms she hasn't been wearing all these months. She also performs "Bad Romance," which might be how some would describe her nipple-pastie-and-top combo.

FIRST LOOK: Lady Gaga on Gossip Girl [TV Watch/People via Nitro:licious]