'Will & Grace' 2017 Guest Stars - Find Out Who Is Appearing on the New Season!

Will & Grace returns on Thursday (September 28), and this season promises to be packed full of stars!

The cameo-heavy show has already seen tons of superstars hanging out with Eric McCormack, Debra Messing, Sean Hayes and Megan Mullally – also known as Will, Grace, Jack and Karen.

Everyone from Madonna to Cher to Britney Spears has turned up on set,so it’s no surprise that the cast is gearing up for another star-studded season!

Click through the slideshow to see all of the stars expected to pop up this season…