Katharine McPhee Pre Baby Throwback!

Katharine McPhee Foster is pregnant with her first child with husband David Foster, which means she's been sharing some photos of her newly acquired baby bump to the gram for a few months not. But for Valentine's Day, the American Idol star shared a throwback from a pre-pregnancy time with her boo.

The 36 year old wears a red two-piece bikini in the photo while being embraced by her soon to be baby daddy. She captioned the photo with a note to her boo; "My forever Valentine!! My best friend, my favorite person, my motivator, my everyday! @davidfoster I looove you cookie."