Musician Rod Stewart's divorce from Alana Stewart is long past, but one sitcom superstar just revealed their bizarre ...

Aside from being a rollerskating server at Chicago’s famed retro-style diner ... going on to reveal that he handed divorce papers to rockstar Rod Stewart, of all people.

Rod Stewart turned 80 on Jan. 10, and eight days later, his wife Penny Lancaster threw him a surprise party attended by friends like Ronnie Wood and Jools Holland.