Unlimited Access. Try it Today! Your First 10 Days Always $0.99

Celebrities pay homage to Oprah

Winfrey gets emotional during Kristin Chenoweth's performance with graduates from Morehouse College during the taping of the third-to-last "Oprah Winfrey Show" at the United Center. Winfrey kicked off one of her last-ever national talk shows with hugs from Tom Hanks, Tom Cruise, Simon Cowell, Madonna and Rascal Flatts in the packed Chicago arena. The double episode will air Monday and Tuesday before Winfrey's finale on May 25. Peter Wynn Thompson / AFP/Getty Images