Katy Perry and Britney Spears met up at the premiere for THE SMURFS 2 and revealed that they had secretly collaborated of Brit’s hit song, “Ooh La La”!
“Me and Bonnie [McKee] secretly did some background vocals on that song,” Katy revealed, adding, “so maybe listen for our voices.” The two singers reportedly also fangirled at seeing each other and later tweeted their mutual respect for each other.
Katy returned to reprise her role as Smurfette in the sequel to THE SMURFS. The film also stars Neil Patrick Harris, Hank Azaria and Jayma Mays.
Check out Britney Spears’ “Ooh La La” below and let us know if you can hear Katy Perry and Bonnie McKee’s voices in the background!