Erin and Sara Foster defended stepmom Katharine McPhee and dad David Foster after he shared a bikini picture of Kat that complimented her post-baby body.
Katharine McPhee Foster shut down online critics after David Foster posted a picture of her in a bikini and remarked, "what baby!" Read her response below.
Fresh off their Masked Singer gig, David Foster and Katharine McPhee Foster are busy touring with their 9-month-old son. But they don't want him to stumble upon their performance footage.
You're never gonna guess which A-list married couple wore the Banana Split costumes for The Masked Singer. Here's everything that went down during the Dec. 8 episode.
After the birth of her son Rennie, Katharine McPhee feels appreciation for her body. In an exclusive interview with E! News, the new mom got candid about shifting away from her old habits.
Katharine McPhee just revealed how she and David Foster are keeping their marriage “hot.” Check out the lingerie photo the American Idol alum sent the music producer.
Katharine McPhee is soaking up every moment with her and David Foster's 7-month-old son, Rennie. Check out the actress' latest memories she shared to Instagram.
Katharine McPhee is living it up on vacation and showed her followers a super-sweet pic of husband David Foster and 6-month-old son Rennie on Instagram.
It's safe to say Katharine McPhee's baby boy Rennie is a fan of her work! The actress shared an adorable clip of her newborn son watching her Country Comfort series.
Katharine McPhee shared a number of photos via social media on April 21 that show why her son Rennie is never lonely in his crib. Read on to check out the images.
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.
While new mom Katharine McPhee is calling motherhood her "greatest" job, the American Idol alum admits she "can't imagine" one particular parenting moment that's sure to come.
Katharine McPhee showed support to stepdaughter Sara Foster's new swimwear collection by modeling an ocean-ready look just one month after welcoming baby Rennie with husband David Foster.
Katharine McPhee, who just welcomed her first child with husband David Foster, said she's not worried about fitting into her pre-pregnancy jeans anytime soon.
Katharine McPhee posted a precious photo on March 18 that offered a glimpse of her baby son Rennie, and she also included a funny caption referencing her new physique.
One day after Katharine McPhee publicly revealed the name of her and David Foster’s baby boy, the American Idol alum shared why her husband is “annoyed.”
One month after giving birth, Katharine McPhee shared the "strong" name she and husband David Foster gave their newborn son. Scroll on for the significance of the moniker.
An insider tells E! News exclusively that Katharine McPhee is having a "wonderful time" since welcoming a baby boy with husband David Foster. Keep scrolling for details.