Henry Winkler, Ron Howard, Don Most and Anson Williams took the stage to enthusiastic applause at Steel City Con this weekend just outside of Pittsburgh as the former "Happy Days" co-stars enjoyed a reunion of their hit television show of the 1970s and 1980s.

Ron Howard and Henry Winkler had their first public reunion with Happy Days costars Don Most and Anson Williams in more than 50 years at Steel Comic City Con in Pittsburgh on April 5.

It was a very Happy Day for the attendees at Steel City Con in Pittsburgh this weekend, as Happy Days‘ four biggest stars, Henry Winkler, Ron Howard, Anson Williams and Don Most, reunited publicly for the first time in 50 years.