Julianne Hough Works Out With Her Look-Alike Mom Following 'DWTS' Party With Derek Hough

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Blond babes in blue!

Julianne Hough and her look-alike mom, Mariann Nelson, were twinning on Tuesday, sporting bright blue tops and black-and-white workout pants as they were photographed making their way into the Tracy Anderson gym in Los Angeles.

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The Dancing With the Stars judge paired her crop-top and pants with a lightweight black cardigan, which gave fans a peek at her impeccable abs. Mom was right by her side, keeping it stylish with pink manicured nails and a black bag that complemented her daughter's chic leather backpack.


Mariann later took to Instagram to share a few highlights from their fun outing. "I'm motivated," she wrote. "Wow...this is a unique workout...wahooo..."

WATCH: Amber Rose and Julianne Hough Hash Out Feud After Super Sexy 'DWTS' Tango

Later, the two "stopped in" to the dance studio to visit Derek Hough. "Always a treat to dance with my boy," Mariann captioned a clip of her and her son twirling around the room. "Wahooo.... #proudmomma."

And what would a girl's day be without a trip to the spa?

The glam mother-daughter duo also dressed to impress on Monday, rocking matching red pouts as they made their way to a birthday bash at Mixology101 in West Hollywood, California, following a taping of DWTS. The party was in celebration of Derek's girlfriend, Hayley Erbert, who turned 22 on Tuesday.

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"Always fun being with my peeps....," Mariann, who was dressed in a gorgeous turquoise dress from Ross, exclaimed. "#familytimeisthebesttime."

According to an eyewitness, Derek and Hayley continued the celebrations at El Floridita Restaurant, dancing the night away to Latin tunes.

WATCH: 'DWTS' Pros Sasha Farber and Emma Slater Get Engaged in Surprise Proposal on Live TV!

Last week, Derek couldn't keep his cool when fellow DWTS pro, Sasha Farber, proposed to his longtime girlfriend, Emma Slater, on live TV.

To hear highlights from the adorable onstage moment, watch the video below.