Jenna Dewan is moving on.

Hours after officially filing for divorce from Channing Tatum, the Step Up actress was spotted getting cozy with a mystery man at the Casamigos Halloween party at co-founder Mike Meldman's Beverly Hills house. A source tells E! News that Dewan, 37, dressed up as a fairy for the bash, which she attended alongside pal JoAnna Garcia.

"She arrived with Joanna Garcia but immediately met a guy inside," the insider tells us, adding that the duo "could not keep their hands off of each other."

"Jenna seemed very happy and like she was in a very good mood," the source adds. "At another point, Jenna was dancing with her new man and they were singing '90s hip hop songs together. It was really cute."

"They definitely seemed like they were dating and left the party holding hands. They were kissing in the courtyard before they exited," the source shares with us. "It definitely didn't seem like Jenna was hiding anything."

As for who the mystery man is, the insider reveals, "He isn't famous but is very handsome. Very tall and has dark hair."

Multiple outlets reported on Friday that Dewan had filed for divorce in a Los Angeles courtroom. According to documents obtained by The Blast, Jenna requested child and spousal support from her ex, as well as having her name restored to Jenna Dewan. It appears the exes have also agreed upon joint custody of their daughter, Everly, 5.

Jenna and Channing announced their separation in early April after eight years of marriage.

Jessie J, Channing Tatum

Masatoshi Okauchi/James Shaw/REX/Shutterstock

This sighting of Dewan with a possible new boyfriend comes weeks after it was revealed Tatum is currently dating singer Jessie J.

"They've been hanging out a lot lately and he's excited about seeing her. She's on the road, but he is very interested in getting to know her and doesn't mind tagging along," a source shared with E! News earlier this month. "He's making a lot of effort and wants to spend as much time with her as he can. He's having fun with it and seeing where it goes. He's known her for a while and always thought she was very talented."

It was just last month that an insider told E! News that both Dewan and Tatum are "casually dating."

"Jenna is feeling ready to move on and to get back out there," the source shared with us in September.

Rande Gerber, Cindy Crawford, Kaia Gerber, Presley Gerber, Casamigos Halloween party 2018

Michael Kovac/Getty Images for Casamigos

Other attendees at the Casamigos party on Friday included Cindy Crawford, Rande Gerber, Kaia Gerber, Harry Styles, Brandon Jenner, Brody Jenner along with wife Kaitlynn Carter, Ryan Seacrest, Olivia Munn, Sean "Diddy" Combs, French Montana, Brandi GlanvilleZoë KravitzPaulina Gretzky, Harry Hamlin and Lisa Rinna.

Check out our gallery to see more stars celebrating Halloween!

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