E! News reported on Monday that David Foster and Katharine McPhee were spotted at a dinner date in Malibu, igniting rumors of a blossoming romance.

INSIDE BARBRA STREISAND’S 75TH BIRTHDAY PARTY. “David and Katharine were very intimate during their dinner,” said the insider to the celebrity news site.

“David was seen grabbing Katharine’s face and kissing her cheek several times. Katharine was doing the same to David’s face and they were acting as if they were a couple.”

“By the end of the date, Katharine sat on David’s side of the table and cuddled him with a blanket,” added the source.

KATHARINE MCPHEE HAS ‘NO REGRETS’ OVER CHEATING ON HUSBAND WITH MARRIED MAN. This isn’t the first time the duo were spotted together.

Just last month, McPhee and Foster attended Barbra Streisand’s 75th birthday at CafĂ© Habana in Malibu.

They first crossed paths over a decade ago when McPhee was competing on “American Idol” in 2006.

A rep for the 63-year-old told PEOPLE Magazine they were just friends.