'Will & Grace' Cast Celebrate First Day on Set With Ribbon Cutting, Set Pics and Make-Outs -- Watch!

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The cast of Will & Graceare officially co-stars yet again, and they kicked off the first day of production on the revival series with huge ribbon-cutting event!
ET was at the exuberant celebration, where stars Debra Messing and Megan Mullally snipped the red ribbon as a confetti cannon sprayed the cast, before Sean Hayes and Eric McCormack sealed the deal with a passionate stage kiss.
Addressing the crowd, McCormick explained, "I was just saying to my wife, 'I wonder what it will be like to kiss a man again,'" when Hayes took the cue and grabbed McCormick for a wild, aggressive make-out session.
Photo: Getty Images
"It's just like riding a bike," McCormick quipped after the kiss.
The cast opened up about how why they reconnected to bring the beloved series back to TV in an interview with Entertainment Weekly.
"I want to make other people laugh right now," Messing said. "That's the reason I wanted to come back, because I was like, 'I really need to laugh.'"
Photo: Getty Images
The actress also explained how the four co-stars and friends got back into sync when they sat down for read-throughs.
"I always thought about the four of us as being like an orchestra, and each of us playing a different instrument and creating a musicality together," she shared. "When we started playing the music again, it was like, 'Oh!'"
According to Mullally, "none of us would have ever thought that we'd be doing this show again, because it's literally never happened before. We would have no reason to think, 'Oh, I'm sure that Will & Grace will just come back one day.'"
The cast commemorated their first day of filming with a slew of sweet Instagram snapshots, sharing selfies with their co-stars and photos from set.

Will & Grace returns for its long-awaited ninth season on Sept. 28 at 9 p.m. ET/PT on NBC.
Check out the video below for more on the iconic sitcom's hotly anticipated revival.