Foster kept it classy while wearing a jet-black suit and tie to the Celebrity Fight Night event. The happy couple initially met in 2006, when the producer served as a guest mentor on American Idol.

Newton-John's posthumous ... Devoted to You," longtime friend John Travolta on "Take a Chance," daughter Chloe Lattanzi on ...

Olivia Newton-John’s Widower Says They Committed to 'Love Each Other Forever or Until the End of Time' (Exclusive) Everything Olivia Newton-John Has Said About Her Ups and Downs, from Recurring ...

“I’m Mrs David Letterman and this is David ... then tried to assassinate US President Ronald Reagan to get Foster’s attention. Olivia Newton-John was targeted by two stalkers.

Comedian John Mulaney opens up to David Letterman about his family and addiction struggles in candid Netflix interview.

When Katharine McPhee and David Foster go on the road, it’s a family affair. Not only do the married couple perform together — McPhee, of “Smash” and “Waitress” fame belts classics ...

Katharine McPhee and David Foster return to the stage for first performance since their son's nanny's death Katharine McPhee and David Foster's family nanny identified as victim in fatal crash ...

PG/Bauer-Griffin/GC Images John Stamos flashes his signature smile for cameras on April 17 in L.A. David Fisher ... in L.A., Plus Olivia Munn, Kid Cudi, Zendaya and More Luke Newton and Nicola ...

Olivia Newton-John skyrocketed to fame following her on screen-romance with John Travolta playing Sandy in hit musical Grease, released in 1978. The British-Australian actress has had a very ...