George W. Bush, Barack Obama, Oprah, Bill Clinton and Colin Powell at the Madame Tussauds Celebrates Barack Obama's 48th Birthday at New York NY. (Footage by WireImage Video/GettyImages)

Oprah Winfrey at 19th Annual Critics' Choice Movie Awards - Arrivals at The Barker Hanger on 2014-01-16 in Santa Monica, California.

Oprah Winfrey at 19th Annual Critics' Choice Movie Awards - Arrivals at The Barker Hanger on 2014-01-16 in Santa Monica, California.

Oprah Winfrey at 19th Annual Critics' Choice Movie Awards - Arrivals at The Barker Hanger on 2014-01-16 in Santa Monica, California.

George W. Bush, Barack Obama, Oprah, Bill Clinton and Colin Powell at the Madame Tussauds Celebrates Barack Obama's 48th Birthday at New York NY. (Footage by WireImage Video/GettyImages)

Tyler Perry, Oprah Winfrey at Premiere Of Lionsgate's 'Boo! A Madea Halloween' in Los Angeles, CA 10/17/16

Terrence Howard on advice from Oprah at the 2006 Annual Academy Awards Nominees Luncheon at the Beverly Hilton in Beverly Hills, California on February 13, 2006. (Footage by WireImage Video/Getty Images)

Oprah Winfrey at the 60th Annual Tony Awards at Radio City Music Hall in New York, New York on June 11, 2006. (Footage by WireImage Video/Getty Images)

Oprah Winfrey at the 'Precious: Based On The Novel 'Push' By Sapphire' Premiere at Toronto ON. (Footage by WireImage Video/GettyImages)

WireImage Daily: 11/2/09 (Footage by WireImage Video/GettyImages)

Oprah Winfrey at the AFI FEST 2009 'Precious: Based On The Novel 'PUSH' By Sapphire' Premiere at Hollywood CA. (Footage by WireImage Video/GettyImages)

EVENT CAPSULE REPORTER/CHYRON: AFI FEST 2009 Precious: Based On The Novel 'PUSH' By Sapphire Premiere, Los Angeles, CA, 11/1/09 (Footage by WireImage Video/GettyImages)

EVENT CAPSULE CLEAN: AFI FEST 2009 Precious: Based On The Novel 'PUSH' By Sapphire Premiere, Los Angeles, CA, 11/1/09 (Footage by WireImage Video/GettyImages)

The WireImage Entertainment Report WEEK IN REVIEW 11/06/2009 (Footage by Getty Images)

WireImage Daily: 11/3/09 (Footage by WireImage Video/GettyImages)

Oprah Winfrey at the Hollywood Reporter's Annual Women in Entertainment Breakfast at Los Angeles CA. (Footage by WireImage Video/GettyImages)

SPEECH: Paula Abdul on her dress, her jewelry, supporting American Idol, saluting Michael Jackson, being proud of past American Idol contestants who are at the AMAs, why music is so important during the holidays, what she's doing now...

Oprah Winfrey at the 'The Great Debaters' Premiere at the Cinerama Dome at ArcLight Cinemas in Hollywood, California on December 11, 2007. (Footage by WireImage Video/Getty Images)

Oprah Winfrey at the 'The Great Debaters' Premiere at the Cinerama Dome at ArcLight Cinemas in Hollywood, California on December 11, 2007. (Footage by WireImage Video/Getty Images)

Oprah Winfrey arrive at Cort Theatre in New York at the Celebrity Sightings in New York at New York NY. (Footage by WireImage Video/GettyImages)

WireImage Daily: 5/3/10 - Spanish Version (Footage by WireImage Video/GettyImages)

Oprah Winfrey at the 'The Great Debaters' Premiere at the Cinerama Dome at ArcLight Cinemas in Hollywood, California on December 11, 2007. (Footage by WireImage Video/Getty Images)

WireImage Daily: 5/10/10 - Spanish Version (Footage by WireImage Video/GettyImages)

WireImage Daily: 5/10/10 (Footage by WireImage Video/GettyImages)