Uh oh. Zoe Saldana's got a tiny, diapered rock star on her hands -- and he's apparently a Toni Basil fan.
At one point, the beat-happy 1-year-old -- we can't tell if it's Cy or Bowie -- even sneaks a headbanging move into the mix.
In the foreground, you can see the top of the little guy's brother watching the show from someone's lap.
"'Oh Mickey!'," Zoe captioned the post, adding the hashtags, "#twins#lovethe80s #dance #be #free."
In December, Zoe showed off the results of her own energetic workouts, slipping her trim figure into a 2013-era "Guardians of the Galaxy" costume with a little pat on the back for getting herself back to fighting form after having twins.
"It pays off to work hard!" she wrote alongside the pic. "I mean it mommies of the world, if I did it you can too."