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Dave Franco Promotes 'Nerve' by Challenging Celebs to Sing in Public -- See Their Hilarious Videos!

by Desiree Murphy 3:42 PM PDT, July 22, 2016
Photo: Getty Images

Dave Franco is challenging his celeb pals to "find their nerve."

As a way to promote his latest film, Nerve, the 31-year-old actor is daring people to record themselves singing in public and post it to their social media accounts with the hashtag "#FindYourNerve."

WATCH: Dave Franco & 8 Stars Who Stole Out Hearts From Their Famous Siblings

Dave kicked off the challenge in New York City, singing Backstreet Boys' "I Want It That Way" in the middle of an Apple store. He later shared the video to Facebook on Wednesday, writing, "I challenge James Franco, Alison Brie and Chris Mintz-Plasse to #FINDYOURNERVE and embarrass yourself by singing in public too. You have 24 hours. GO!"

And it looks like the challenge has already been accepted!

Dave's older brother, James Franco, performed the dare inside a convenience store with two friends. His song of choice? Justin Bieber's "Sorry."

Check out those hip movements!

My brother challenged me to sing in public. I dare @mastergia , @spagettyos , and @ahnaoreilly to #FINDYOURNERVE

A video posted by James Franco (@jamesfrancotv) on

NEWS: Dave Franco and Alison Brie Are Engaged!

Christopher Mintz-Plasse, who starred in Neighbors with Dave, belted out Tina Turner's "What's Love Got to Do With It" in the middle of a movie theater lobby in Los Angeles.

Alison Brie, Dave's fiancée, showed off her singing skills with Whitney Houston's "I Wanna Dance With Somebody" near the fresh produce section. Girl's got pipes!

Meanwhile, Dave's Nerve costar, Emma Roberts, was channeling her inner '90s girl by singing the Spice Girls' 'Wannabe" on a subway in the Big Apple.

RELATED: How James Franco Uses His Famous Friends to Make Hollywood Movies His Way

See more hilarious #FindYourNerve moments below:

I was called to action by Alison Brie #findyournerve now I challenge these singers @parvey @skrautr @verbalberappin

A video posted by sauerkraut13 (@sauerkraut13) on

@britelkin and I completed our dare by @emmaroberts #findyourNERVE (FML SO HARD)

A video posted by kara ELKIN (@kakeykake) on

WATCH: Emma Roberts Plays Coy on Kissing Both Franco Brothers

As we patiently wait to see what dares are pulled in the actual film, which hits theaters on July 27, watch the video below to hear Emma gush to ET about kissing both Franco brothers!

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