Katharine McPhee and Baby Boy Rennie Rock Matching Swimsuits in New Photo

Katharine McPhee enjoyed a photo opp with newborn son Rennie as they joined other family members in modeling Sara Foster's new swimwear collection. See the group pic, below.

By Ryan Gajewski Apr 06, 2021 2:47 AMTags
Watch: Katharine McPhee Offers a Peek at Baby Rennie

Katharine McPhee and her family members are ready to make a splash.

The 37-year-old Smash performer took some time from her busy schedule as a new mom to model her stepdaughter Sara Foster's swimwear line, as seen in an outdoor group photo that Sara posted to her Instagram Story on Monday, April 5. Everyone pictured is adorned in swim apparel from the Cotton Candy Skies collection, the family-focused line that the Barely Famous alum recently launched through her partnership with Summersalt. 

The pic, which also included Sara's sisters Erin and Jordan Foster, showed Katharine holding newborn son Rennie, who she welcomed with husband David Foster in February. Rennie, whose face is hidden from the camera, is shirtless with a tiny pair of trunks.

"The Foster sisters in Summersalt x SaraFoster," Sara, 40, captioned the cute image.

This isn't her first clothing venture, as she and sister Erin, 38, launched clothing brand Favorite Daughter late last year. Music producer David, 71, is also dad to Allison Jones Foster and Amy Skylark Foster

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Katharine previously showed her support for the Cotton Candy Skies swimwear when she shared a photo to her Instagram Story on April 1 of herself trying on a one-piece in the bathroom.

Sara Foster/Instagram

Katharine previously showed her support for the Cotton Candy Skies swimwear when she shared a photo to her Instagram Story on April 1 of herself trying on a one-piece in the bathroom. 

"Best one piece I've ever tried," Katharine gushed about the suit. "Usually it's cut too low and the torso isn't long enough - straps are adjustable. So comfortable you nail it @SaraFoster."

Katharine is clearly ready to take a dip. On March 30, the former American Idol runner-up had proudly shared a bikini shot to her Story, although that one didn't appear to be from Sara's collection.

"Loving my curves because my baby gave them to me," she captioned it at the time

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