Rihanna canceled last night's Boston show due to laryngitis.

+ Rihanna canceled last night's scheduled Boston show, due to laryngitis. "#BOSTON this is the hardest thing for me to deal with! I feel like we've been waiting for this day forever, and I'm hurt that I let you down," she tweeted. RiRi's next date in Baltimore on March 12 is expected to continue as scheduled. (Rolling Stone)

+ Speaking of show cancellations, Justin Bieber cancelled his March 12 show in Portugal, the second night of a two-show stint there. This comes on the heels of a pretty bad week for the pop star. (MTV News)

+ However, the opening night of Rihanna's "Diamonds World Tour" did take place on Friday in Buffalo, NY. Check out footage and photos from the show. (Rap-Up)

+ Justin Timberlake ruled "Saturday Night Live" this past weekend, natch. In addition to singing "Suit & Tie" with Jay-Z joining him, he slayed a number of LOL singing and regular skits, too. Watch the opening monologue and his performance of "Mirrors." (MTV News)

+ Check out Taylor Swift performing "22" on the closing night of BBC's "Let's Dance For Comic Relief" on Saturday. (Idolator)

+ Beyoncé stars as Queen Tara in the animated 3-D film, "Epic," which opens in theaters until May 24. In the meantime, get a sneak peek of the film. (Rap-Up)

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