Happy birthday, Grease!

This year marks the 45th anniversary of the iconic musical starring John Travolta and Olivia Newton-John.

From iconic tracks like "Beauty School Dropout" and "Summer Nights" to the Pink Ladies and T-Birds, it's no wonder why this 1978 film became a beloved cult classic.

To celebrate the major milestone, let's catch up with the Grease cast and see what your favorite characters are up to now:

To start, John Travolta played Danny.

And here's what he looks like now.

Olivia Newton-John played Sandy.

And here's what she looked like before she passed away in August 2022.

Jeff Conaway played Kenickie.

And here's what he looked like before died in May 2011.

Stockard Channing played Rizzo.

And here's what she looks like now.

Barry Pearl played Doody.

And here's what he looks like now.

Didi Conn played Frenchy.

And here's what she looks like now.

Michael Tucci played Sonny.

And here's what he looks like now.

Dinah Manoff played Marty.

And here's what she looks like now.

Finally, Jamie Donnelly played Jan.

And here's what she looks like now.

Who's your fave Grease character? Tell us in the comments!