They top the music charts and star in Hollywood blockbusters—count down the 15 celebrities who visited The Oprah Show most often!
15. Billy Crystal
Funnyman Billy Crystal has been making Oprah and her viewers laugh since Season 2 of The Oprah Show. On his first of 15 appearances, Billy used his "shtick" to promote Comic Relief, a nonprofit organization that helps the homeless. Since then, this celebrated comedian has returned to Oprah's stage to joke about everything from hosting the Oscars® to life as a dotting grandfather.