First Dibs: Did Britney Spears Perform At Yesterday's Wango Tango?

By Meghan O'Keefe

May 12, 2013 / 8:45 AM

Which pop star joined The Rolling Stones on stage last night? Will Ariana Grande be Justin Bieber's new opening act? Why is Alicia Keys excited about her new music video?

The Wango Tango music festival happened yesterday in Los Angeles. Britney Spears hosted the event with Ryan Seacrest, and introduced artists like Bruno Mars, Maroon 5 and Demi Lovato, but did not perform herself. [Daily Mail]

Katy Perry is the latest pop star to join The Rolling Stones for a surprise set during their tour. Perry joined the band for "Beast of Burden" in Las Vegas last night:

Justin Bieber's manager, Scooter Braun, reported DMed with a fan over twitter and confirmed the Ariana Grande will be opening for the Biebs on tour soon. Coincidentally, Braun is also Grande's manager. [Twitter]

Fans of Alicia Keys will have something to celebrate soon. She's filming her new music video for "Tears Always Win" in Las Vegas and the plot is apparently very "slice of life." [MTV News]

[Photo Credit: Getty Images]