Chrissy Teigen certainly knows how to groove while keeping it glamorous in a glittery white dress for a '70s kind of night.

The Sports Illustrated Swimsuit model and her husband singer John Legend are really up for anything. Their recent antic is a "Friday night fever," where the two gamely posed and dressed up for a disco night.

To match her wife's sparkly dress, the "Love Me Now" singer wore a white suit a la John Travolta in the iconic 1977 film Friday Night Fever. Witty Teigen shared a series of photos from the epic night, and well, one caption of the couple by the pool table totally won readers.

"[S]layin alive slayin alive aaaahahahahhhaahhahhahhagaggaggaghahakdkdkjdjdishsbjsidiixjshshyznsizos," she wrote, playing with the lyrics of Bee Gees' "Stayin' Alive."

While Legend and Teigen didn't give any hint on the details of their '70s night, the wife surely gave their fans a hint of what her booty tooch pose in one photo might bring for a week.

"I will be sore from this 3 second ass pop all week," she said.

Legend should be praised for his characterization of Travolta, and in one Instagram post, he posed like the character against a graffiti wall. While Teigen and the singer may look glamorous and ready to head out for a fancy date, it turned out that they were just having dinner at their house.

Baby Miles

The couple definitely knows how to play things up a bit in their married life. Teigen is impressively up for the theme, which should be lauded, considering the fact that she had just delivered their second child, baby Miles.

Miles Theodore Stephens, the younger brother of Luna Simone, came in earlier than expected. Pretty sure the parents, along with the big sister, are happy for the arrival of the bundle of joy, as witnessed in their social media posts.

Prior to their '70s night, Teigen and Legend brought Luna to Beverly Hills, and noticeable was how their daughter looked stylish to say the least. The model, of course, looked fashionable with her striped black and white floor-length jacket, and the singer's all-black outfit complemented the muse's ensemble.

Luna clearly stole the attention of the many, wearing an orange polka dot dress and a denim jacket. She paired this look with the classic white sneakers that matched her white ribbons in her hair. The adorable girl held onto her mommy in one hand and the other held a stuffed toy.