Justin Bieber and Drake performed "Right Here" together live for the first time.

+ Justin Bieber introduced a surprise guest out during his Saturday tour stop in Toronto. Drake joined Justin to sing "Right Here," which was the first time the two performed it live together, and the Biebs even tried a bit of Drake's hit "The Motto" as well. (Popdust)

+ A surprise guest also stopped in during TNGHT's show at Brooklyn's Music Hall of Williamsburg. Kanye West made a quick appearance as TNGHT played his song "Cold." (Pitchfork)

+ Check out Pink's elegant performance of "Try" during "The X Factor U.K." results show last night. The set features a gorgeous live string section. (Neon Limelight)

+ Beyoncé is back in the studio and she's working with someone she's very close to -- her husband Jay-Z. “THIS IS WHO I’M LOOKING AT RIGHT NOW! JAY Z AND BEYONCE #BLESSED TO BE HERE," tweeted Jo'zzy, who's part of Timbaland's crew. (RapFix)

+ Watch Adam Lambert performing "Whataya Want From Me" and "Trespassing" in Hong Kong during 2012 Mnet Asian Music Awards on Friday. (Just Jared)

+ Spike Lee's documentary on Michael Jackson, "BAD 25," won't be released on DVD until February 2013, but in the meantime, an edited cut of the film can be streamed online. (E!)

+ Saturday marked World AIDS Day, and amfAR ambassador Janet Jackson made a PSA and released a co-written op-ed on CNN. She emphasized that while everyone is at risk, it's important to be "investing in resources" that will curb the epidemic in high-risk populations. (Billboard)

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