Buzz Bites (11/22/11): Beyonce Releases Behind-The-Scenes ‘Party’ Video

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+ Watch Beyoncé‘s behind-the-scenes video for her song “Party,” which was filmed in a trailer park. J. Cole (who’s featured on the song), Kelly Rowland, B’s sis Solange and Theophilus London make appearances. (Rap-Up)

+ Katy Perry will host “Saturday Night Live” on December 10! Robyn will be the musical guest. (MTV News)

+ Here’s another Lady Gaga teaser for you, this time it’s a spot for her forthcoming 90-minute Thanksgiving TV special. And peep photos of the Chanel ball gown she wore yesterday at the opening of “Gaga’s Workshop.” (Just Jared)

+ Billboard reported Drake‘s Take Care may sell 700,000 by week’s end, but his label boss Lil Wayne told MTV News they’re more about artistic integrity, adding, “What we do expect is… to work very hard and we expect people to respect our hard work and our effort.” (MTV News)

+ Oh and um, Justin Bieber apparently wears pink underwear. That is all. (ONTD)