Sean Kaufman, Avantika film clip for WHATMORE

Sean Kaufman And Avantika are featured in an upcoming music video for WHATMORE…and only TMZ has behind-the-scenes footage from production.

The ‘The Summer I Turned Pretty’ hunk and the ‘Mean Girls’ star recently teamed up in New York to film the music video for WHATMORE’s track, ‘2000s Pop Punk Rnb’… and filming locations included a subway car, the MET and the New York Public Library.

Check out the pictures, it looks like Sean and Avantika are having a lot of fun.

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This isn’t a random collaboration…we’re told Sean and Avantika are friends with the group.

The full clip is coming out soon… stay tuned!!!