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Watch Josh Gad and Andrew Rannells Serenade Gad's Mom on The Tonight Show

The Gutenberg! The Musical! stars shared how they met at a Book of Mormon audition, and adorably serenaded Gad's parents in the audience. 

By Samantha Vincenty

Anyone who saw Josh Gad and Andrew Rannells star in The Book of Mormon on Broadway knows the two actors have incredible stage chemistry. But as Gad and Rannells' October 9 visit to The Tonight Show Starring Jimmy Fallon made it clear, the two are also close friends who are as funny in real life as they are on stage and screen.  

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Watch The Tonight Show Starring Jimmy Fallon on NBC weeknights at 11:35/10:35c and next day on Peacock

Gad and Rannells visited The Tonight Show to talk about their new Broadway show, Gutenberg! The Musical. Fallon reminded Gad and Rannells that they'd previously appeared on Late Night with Jimmy Fallon back when they starred together in Book of Mormon.

"This is our big reunion on Broadway," Rannells said. (You may recognize Rannells' voice as the character of Matthew on Netflix's animated Big Mouth series, while Gad famously voiced Olaf in the Frozen movies.)

Andrew Rannells Josh Gad on The Tonight Show Starring Jimmy Fallon

Sharing a photo of Rannells and Gads' Late Night with Jimmy Fallon appearance, Fallon started to tell Gad that his mom told Fallon it was one of her favorite late night appearances. 

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"My mother always says to me, 'I'll never forget the time you and Andrew sang 'Take on Me' with Jimmy Fallon,'" Gad, who stars in the Peacock series Wolf Like Me, said. Gad delivered his mom's words in an adorable impression of  her voice, before pointing out his parents sitting in the Tonight Show audience. 

Fallon immediately furnished three microphones from behind his desk. The interview turned into a dream karaoke session as the Host, Rannells, and Gad singing A-ha's 1985 hit—with Gad hitting an incredible falsetto (to impress Mom, naturally!). 

Josh Gad and Andrew Rannells Tell Jimmy Fallon How They Met 

Gad told Fallon that he and Rannells first met in June 2010 to read for The Book of Mormon, when Rannells was flown to L.A. to read with Gad.

While two unnamed celebrities also read for the role of Book of Mormon's Elder Price (prompting Gad to joke that Al Pacino was one, unveiling a dead-on impression), Gad said that he looked at show co-writers Trey Parker, Matt Stone, and a producer, and said, "That's the guy." 

Because hats play a central role in Gutenberg! The Musical—each hat denotes the role an actor is playing when they're wearing it—Fallon also invited Gad and Rannells to play a game of "Celebrity Hats."

Celebrity Hats with Josh Gad and Andrew Rannells