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Britney Spears is telling fans to tune into "On Air with Ryan Seacrest" on Monday to be the first to hear her new song.  The star has recorded a track for the upcoming "Smurfs" sequel called "Ooh La La." 

She tweeted the announcement on Thursday, after teasing fans with lyrics and a shot from the song's video over the weekend.  

When Britney became involved with the movie earlier this year, she said she'd be dedicating the song to her two young sons, Sean and Jayden, who she called "the biggest Smurf fans ever" in a statement. 

Neil Patrick Harris, Christina Ricci, Sofia Vergara and Katy Perry are all back providing voices for "Smurfs 2," which hits theaters on July 31st. 

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