Katharine McPhee's Stepdaughters Erin and Sara Foster Defend Post-Baby Bikini Photo: 'Let Her Live'
"You can't shame someone for feeling cute after a baby whether she’s sharing stretch marks or a six pack," said Erin Foster in defense of Katharine McPhee's bikini photo
Erin and Sara Foster Celebrate Favorite Daughter Store Opening with Famous Friends: 'Means a Lot'
One year after they launched their clothing line, Favorite Daughter, online, the sisters opened their first boutique in Beverly Hills
Katharine McPhee Celebrates First Mother's Day as a Mom with Adorable Tribute to Son Rennie
Katharine McPhee welcomed her first baby, son Rennie David, with husband David Foster on Feb. 22
Erin Foster Jokes About Working Out with Stepmom Katharine McPhee in Planking Photo with Sister Jordan
McPhee became the stepmom to Erin, Jordan Foster, Sara Foster, Allison Foster and Amy Foster after marrying David Foster in 2019.
Katharine McPhee and Infant Son Rennie Wear Matching Swimsuits in Sweet Family Photo
The new mom and her baby boy modeled swim apparel from Sara Foster's swimwear line
Sara Foster Jokingly Calls Out Husband Tommy Haas for Liking Instagram Posts of Other Women
"Happy Valentine's Day to the guy that hasn't figured out yet that 'likes' are public," the mother of two wrote on Instagram