"The Smurfs 2" already has Katy Perry's voice appearing in the animated movie sequel and now comes word that Britney Spears will sing on the soundtrack!
Britney will perform "Ooh La La," which will play at the end credits of the film.
She said: "I have always loved the Smurfs as a kid and now my boys are the biggest Smurfs fans EVER. I wanted to surprise them with a song in the movie. I know they'll think it's Smurftastic!"
She also Tweeted: "Remember that surprise song I recorded for my boys? It's coming soon! #OohLaLa for #TheSmurfs2 :) Stay tuned for more."
"The Smurfs 2" hits theaters July 31st.