It looks as if everyone who’s anyone will be appearing on NBC’s Saturday Night Live 40th Anniversary special tonight! The 3 and a half hour star-studded reunion kicks off tonight (February 15th) at 8pm EST.

The celebrities set to appear include all current cast members, Justin Timberlake, Emma Stone, Derek Jeter, Jimmy Fallon, Paul McCartney, Kanye West, Adam Sandler, Tina Fey, Amy Poehler, Alec Baldwin, Tom Hanks, and so many more!

N’Sync also hinted at an appearance on their twitter account this morning!

“Together again… Gee, it’s good to be together again” #SNL40

— *NSYNC (@NSYNC) February 14, 2015

And Former N’Sync member Justin Timberlake posted this photo on instagram of an SNL Writing session with the caption “Writing session for #SNL40. @jimmyfallon is onto something funny… We think. This Sunday!!”

We can’t wait to see what else SNL has in store for us! Tune into NBC tonight and check out the teasers below.