WILL & GRACE -- "Back Up, Dancer" Episode 2 -- Pictured: (l-r) Janet Jackson as Herself, Sean Hayes as Jack McFarland, Megan Mullally as Karen Walker -- Photo by: Chris Haston/NBCU Photo Bank

All Will & Grace's A-List Guest Stars, Ranked

Yep, your fave appeared on Will & Grace…and your other fave too



5 Things to Watch This Weekend – Nov. 18-19, 2017

Find out why The Walking Dead, Search Party and more are our picks