Katharine McPhee and husband David Foster were invited to the big 90th Birthday Party of Clive Davis at Casa Cipriani on April 6 in Lower Manhattan. While David was hosting the event, Katharine was able to enjoy the party.
Before the event, Katharine and David attended the red carpet and were interviewed by Extra TV:
And ET Tonight:
Katharine shared a glimpse of her party preparation on her Instagram Stories before attending to the event, and was proudly filming husband David Foster:
She also bumped in to her former Waitress co-star Erich Bergen, who also hosted the event: