Sara’s soon-to-be-stepmom has got it going on.
Katharine McPhee spent the holidays in Hawaii with her fiancé David Foster and his famous family, and her soon-to-be stepdaughter Sara Foster couldn’t help but tease the 34-year-old “Smash” star about her amazing beach body.
“When your mom refuses to dress age appropriately,” Foster, 37, captioned a snap of herself and McPhee posing in bikinis at the Four Seasons Resort Lanai on Monday.
“I can’t even think of a good response,” McPhee commented on the photo, to which Foster replied, “As long as you keep looking this good in a bikini, I will be writing captions like these.”
Sara’s younger sister Erin Foster, 36, similarly trolled her stepmom-to-be on social media last week. Under an Instagram photo McPhee posted of herself basking in the Hawaiian sun in a bright yellow bikini, Erin commented, “Grandma!!!! Wtf I don’t want to be next to you at the pool.”
The “American Idol” alum’s response? “Grandma carries it in the back. Don’t worry — you’ll see my cellulite when I stand up.”
McPhee and music producer David Foster, 69, got engaged in Italy back in July. And despite their social media roasts — and their shared belief that they’re “too young to be bridesmaids” — Erin and Sara told Page Six Style that they’re excited to help their new stepmom with her wedding prep.
“We’re down to help in any way we can,” Erin said in September. “We love her.”