Peta Murgatroyd Shares Amazing Bikini Baby Bump Pic at 33 Weeks -- See the Selfie!

Peta Murgatroyd is 33 weeks pregnant and still fierce!

The two-time Dancing With the Stars champ Instagrammed a new baby bump pic on Thursday, proudly showing off her belly in a tiny black bikini.

"Oiling this buttercup up," she wrote with a baby emoji and a "33 weeks" timestamp.

WATCH: Peta Murgatroyd Gives Pregnancy Update: ‘Baby Chmerkovskiy Will Be Here in No Time!’

Murgatroyd, 30, and fiance Maksim Chmerkovskiy, 36, are expected their first child together, a baby boy, due in January.

The mommy-to-be has been chronicling her pregnancy on social media, and according to Chmerkovskiy, being pregnant hasn't slowed her down one bit.

"She doesn't do what a normal pregnant lady does," Chmerkovskiy explained to ET’s Denny Directo during a pre-Emmys soiree in September. "She's still fully engaged with all our activities. She literally drove from San Diego from a convention show with her tanning line, straight changed and then here."

See more on the couple's pre-baby date night out in the video below.

EXCLUSIVE: Maksim Chmerkovskiy and Peta Murgatroyd Prep For Parenthood With Last-Minute Date Night

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