Katharine McPhee Strikes a Pose in a Bikini on Vacation With Fiance David Foster in Hawaii!

Katharine McPhee is having a fabulous time in Hawaii!

The 34-year-old I Fall In Love Too Easily singer posed in a bikini in a series of hot pictures posted on her Instagram on Friday (December 28).

PHOTOS: Check out the latest pics of Katharine McPhee

Kat is currently on a holiday vacation with her family in Hawaii, as well as fiance David Foster.

“if you listen closely, you can actually hear my mom whispering ‘you’re doing amazing sweetie!’” Kat hilarious captioned the post.

David also posted a selfie with Kat from their holiday.

“🎼island life ❤️,” he captioned the post.

See their posts below!

FYI: Katharine is wearing an Onia bikini.