Rihanna announced a "777" promo tour in honor of her upcoming "Unapologetic" album.

+ To celebrate her forthcoming (and seventh!) studio album, Unapologetic, Rihanna has scheduled a "777" promotional tour. The tour will take Rihanna through seven shows in seven different countries over the course of seven days. We're detecting a theme here... (Idolator)

+ NBC will host "Hurricane Sandy: Coming Together," a telethon to benefit victims of the superstorm. The telethon will feature performances by Christina Aguilera, Bruce Springsteen, Billy Joel, Jon Bon Jovi and Sting. NBC's Matt Lauer will host, and Jimmy Fallon will appear. Tune in on Friday, Nov. 2 from 8 to 9 p.m. ET on NBC. (MTV News)

+ Speaking of Rihanna, she's also scheduled to perform on "Saturday Night Live" on Nov. 10, making it her fourth appearance on the show. Rihanna will be joined by host Anne Hathaway. (MTV News)

+ Following Miley Cyrus dressing up as Nicki Minaj for Halloween, Nicki called into "On Air With Ryan Seacrest" saying she'd return the favor. "I could do the short blonde buzz cut like Miley," said Queen Barbz. Pictures, please! (Ryan Seacrest)

+ Ed Sheeran is extremely excited to open for Taylor Swift on her upcoming "Red" tour, saying "It's a massive opportunity for me, and I want to make sure to grab it with both hands." Good luck, Ed! But remember...WE LOVED YOU FIRST. (MTV News)

+ Bruno Mars may have performed "Young Girls" on "Saturday Night Live" earlier in October, but now you can listen to the official studio version from his upcoming album Unorthodox Jukebox, which drops Dec. 16. (Idolator)

+ Kendrick Lamar's good kid, m.A.A.d. city debuted at No. 2 on the Billboard 200 Album chart, selling 241,000 copies so far. To celebrate, Kendrick thanked his fans with a new track produced by fellow rhymer J. Cole called "The Jig Is Up." (RapFix)

+ In Halloween hangover news, Ke$ha admitted to drinking actual blood from a human heart. She told NME, "I did it on stage in Sydney. I think I was hanging out with Alice Cooper too much. I was just really inspired to do it. There wasn't a very good reason behind it." This is the same girl who claimed to have hooked up with a ghost, so... (Popdust)

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