Oprah Winfrey Set for Bravo's WATCH WHAT HAPPENS Tonight

TVGuide.com confirms that talk show queen Oprah Winfrey will guest on tonight's August 15th episode of WATCH WHAT HAPPENS LIVE! The show airs at 11/10c on the Bravo Network.

Oprah will be promoting her upcoming film, Lee Daniels' The Butler, hitting theaters on August 16th. Get a first look below! The film gives an inside look at life inside the White House from a distinctly African-American point of view-before the Obama administration came to office.

The award-winning cast also includes Forest Whitaker (THE LAST KING OF SCOTLAND), Mariah Carey (PRECIOUS), John Cusack (THE PAPERBOY), Jane Fonda (ON GOLDEN POND),Cuba Gooding, Jr. (JERRY MAGUIRE), Terrence Howard (HUSTLE & FLOW), Minka Kelly (THE ROOMMATE),Lenny Kravitz (PRECIOUS), Melissa Leo (THE FIGHTER), James Marsden (X-MEN), David Oyelowo (THE PAPERBOY), Alex Pettyfer (MAGIC MIKE), Vanessa Redgrave (CORIOLANUS), Alan Rickman (CBGB), Liev Schreiber (X-MEN), and Robin Williams (GOOD WILL HUNTING).

'Watch What Happens: Live' is Bravo's late-night, interactive talk show that features guests from the world of entertainment, politics, and pop culture. Hosted by Andy Cohen, the series includes lively debates on everything from fashion, the latest on everyone's favorite Bravolebrities, and what celebrity is making headlines that week.