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If you don't walk away feeling happy after seeing Trolls, ya may have some issues to deal with because the animated movie is one big music-filled bonanza of rainbows, glitter, cupcakes and so much more.

So when we hit the rainbow carpet premiere of the flick in L.A., we decided to let our happy flag fly.

How so?

How about asking Justin Timberlake to show us his happy face? His smile is everything!

Our happy time on the carpet also included quizzing J.T. and his co-stars about their happy foods, childhood memories and songs.

Click on the video above and get ready to—what else?—smile!

Have a happy day.

Trolls will be in theaters on Nov. 4.