Katharine McPhee & Debra Messing Have a 'Smash' Backstage at 'Waitress'

It was a Smash reunion backstage at the Brooks Atkinson Theatre last night!

Debra Messing visited the Katharine McPhee after her performance in Waitress the musical on Saturday (June 2) in New York City.

PHOTOS: Check out the latest pics of Debra Messing

Debra also posed with photos with the entire cast of the hit Broadway musical. Katharine and Debra starred in all 32 episodes of Smash together before the show was taken off the air back in 2013.

Check out all the photos in the gallery below…