Amber Riley (Mercedes) certainly has a lot to be thankful for this year, as she and dance partner Derek Hough just nabbed the mirror ball trophy as Dancing With the Stars champs. But now that she and Derek are done teaming up together, it appears that a friendly competition has been brewing between them and their families.

Derek's family started things off during the day on November 28 when his sister, Julianne Hough, posted a video of herself, Derek, and other family members cutting a rug in the kitchen while listening to a will.i.am tune. 

"The key to a great meal??" Julianne captions the video. "Dance while you cook!"

Evidently, a few other celebs interpreted this as a challenge, as Amber, DWTS hoofer Mark Ballas, and TV personality Maria Menounos  who partnered up with Derek on DWTS last year  responded by posting videos of themselves dancing with their own families. 

After Mark tagged Amber in his dance video, Amber was ready to throw her hat in the ring. "Challenge accepted @markballas!!!" she captioned a video of herself dancing with her fam.

"We can line dance, too," she captioned another video of them doing just that. 

Regardless of who won this hilarious dance battle, Amber clearly had a great time on the holiday, as she tweeted:

It's great that Amber and Derek were both able to have fun with their families on Thanksgiving. Clearly, those are two people who were not affected by tryptophan this year.

Sources: Julianne Hough on Instagram, Amber Riley on Instagram