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Maroon 5 dropped their brand new single called "Maps" this week. The song is the first taste of the group's forthcoming album V, due out this September. But frontman Adam Levine has revealed a huge collaboration to be featured on their upcoming record.

Adam Levine called into "On Air with Ryan Seacrest" Monday morning and confirmed that his upcoming fellow "Voice" coach Gwen Stefani will be featured on V! Adam tells Ryan that he's excited for fans to hear the new album, calling it a combination of all the styles they've taken on over the years. The rocker added that he had hoped to keep their collab a secret for as long as possible.

Well, we're glad he finally let the cat out of the bag! 

Check out the full interview below: 

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