Selena Gomez announced a worldwide tour!

+ Fresh off her stellar 2013 MTV Movie Awards performance, Selena Gomez is gearing up for a world tour! She'll head out to more than 50 cities beginning on Aug. 14 in Vancouver, BC, Canada, and will end the trek in St. Louis, MO on Nov. 27. (MTV News)

+ New Kids On The Block's Joey McIntyre completed yesterday's Boston Marathon before two bombs exploded, killing at least three and wounding what's reported at more than 100 people. He tweeted the detonations happened "about 5 minutes after I finished," and added "I'm ok but I'm sure there are many hurt." (Billboard)

+ Kanye West is currently working on his sixth studio album, though few details have leaked about it... until now. Turns out Daft Punk was recently in their Paris studio with 'Ye. "It was very raw: he was rapping -- kind of screaming primally, actually," Daft Punk's Thomas Bangalter said. (RapFix)

+ Rihanna canceled her show in Houston last night. Promoter Live Nation announced the show was nixed "as a result of illness." This is the third "Diamonds Tour" date that has been scrapped. We hope RiRi's OK! (E!)

+ Ciara has decided to self-title her forthcoming album (it was originally named One Woman Army). Check out the cover and track listing, which includes collabs with Nicki Minaj and Future. (Rap-Up)

+ Earlier this month, Snoop Lion and Miley Cyrus collaborated on "Ashtrays And Heartbreaks" from his upcoming Reincarnated (it streets Apr. 23). Commenting on their meeting, Snoop said that he and Miley bonded over going through "transformation" and that she's one of the "greatest musicians and personalities of all time." (MTV News)

+ Congrats to Backstreet Boys' Kevin Richardson and his wife Kristin, who are expecting their second child! (E!)

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