Bruno Mars, Ariana Grande, Backstreet Boys and More Light Up We Can Survive 2016The Backstreet Boys' unannounced set blew everyone's mind.
Lady Gaga Discusses Sonja, from Her Song 'Grigio Girls'Sonja is Gaga's friend, and she's battling cancer. "And it's really hard: it's hard to watch, it's hard to witness, it's hard to know what to say. But I love her so much."
Mark Ronson & Bruno Mars' 'Uptown Funk' Certified DiamondThe track becomes 1 of only 13 songs to sell over 10 million copies.
Bruno Mars Debuted New Track 'Chunky' on 'SNL'There was also a great parody of Beyonce's "Sorry," called "Melaniade." And Donald Trump had some thoughts about it.
5 Songs You Didn't Know Bruno Mars WroteMars' songwriting chops have benefited everyone from Adele to Jay Z.
Bruno Mars to Headline 4th Annual We Can Survive ConcertAlso on the bill: Ariana Grande, Charlie Puth, G-Eazy, Meghan Trainor, OneRepublic, and Pitbull.