Spears teased the full music video on Thursday, posting a closeup of herself on Twitter:
-- Britney Spears (@britneyspears) June 27, 2013
The "Smurfs 2" soundtrack will receive a July 31 release, the same day the 3-D sequel hits theaters.
"I have always loved the Smurfs as a kid and now my boys are the biggest Smurfs fans ever," Spears said in a press statement. "I wanted to surprise them with a song in the movie. I know they'll think it's Smurftastic!"