Reese Witherspoon
"Oh hey @elizabethbanks," the Big Little Lies alum replied on Instagram. "I see your Hanks-on-Banks and I raise you a Grease-on-Reese."
Jennifer Garner
"Hey, @reesewitherspoon @elizabethbanks—did you challenge me? I'm pretty sure you did," the Peppermint star quipped over her Sean Penn-inspired post. "#PenOnJen."
Garcelle Beauvais
The one who started it all! "repost," the Real Housewives of Beverly Hills star shared on Instagram of her Pharrell Williams-inspired meme.
Mariah Carey
The queen of Christmas joined in on the fun, writing, "Throwing some tinsel on this challenge and presenting you #CarreyOnCarey."
Elizabeth Banks
"I know you've all heard of Elf on a Shelf, but have you heard of...," Elizabeth captioned her post, inspired by Garcelle Beauvais.
Al Roker
The Today show rounded up their hosts to participate in the meme. "Gal on Al...," the show wrote on Instagram.
Zooey Deschanel
"Coming to you this holiday season... I give you - Bowie on Zooey," the Elf alum posted on Instagram.
Mark Ruffalo
"@elizabethbanks," Mark replied, "I raise your Hanks on Banks with a Stark on Mark!"
Sheinelle Jones
"Michelle on Sheinelle," the Today show shared of the popular meme.
Kate Walsh
The Girls Trip actress participated in the meme with her own spin. "I see ur Hanks on Banks @elizabethbanks, how 'bout a Skate on Kate," she wrote on Instagram.
Jessica Szohr
"I see you @elizabethbanks, @juleshough, @jennifer.garner, @reesewitherspoon, @garcelle...," the Gossip Girl alum penned, "and I give to you Moore on Szohr."
Leslie Jordan
"Hey @reesewitherspoon, I see your Grease-on-Reese. @elizabethbanks, I see your Hanks-on-Banks. All inspired by @garcelle-on-Pharrell," Leslie Jordan noted, adding, "I raise you all a Corden-on-Jordan. Sorry @j_corden. #elfonashelf."
Dylan Dreyer
"Hey @reesewitherspoon, how did we do Fryer on Dreyer...," the Today show quipped on Instagram.