Martina Navratilova leaving Renaissance Hotel in Hollywood, Los Angeles 5/23/12 (Footage by WireImage Video/Getty Images Entertainment Video)

INTERVIEW: Martina Navratilova on receiving the Stephen F Kolzak Award and her retirement at the 18th Annual GLAAD Media Awards at the Kodak Theatre in Hollywood, California on April 14, 2007. (Footage by WireImage Video/Getty Images)

Martina Navratilova at the 18th Annual GLAAD Media Awards at the Kodak Theatre in Hollywood, California on April 14, 2007. (Footage by WireImage Video/Getty Images)

Martina Navratilova at the 18th Annual GLAAD Media Awards at the Kodak Theatre in Hollywood, California on April 14, 2007. (Footage by WireImage Video/Getty Images)

Martina Navratilova in Hollywood 03/27/12 Martina Navratilova in Hollywood 03/27/12 on March 27, 2012 in Los Angeles, California (Footage by WireImage Video/Getty Images)

Martina Navratilova at the 18th Annual GLAAD Media Awards at the Kodak Theatre in Hollywood, California on April 14, 2007. (Footage by WireImage Video/Getty Images)

INTERVIEW: Scotch Ellis Loring on being excited to stand next to Martina Navratilova, his involvement with GLAAD, and the importance of the organization at the 18th Annual GLAAD Media Awards at the Kodak Theatre in Hollywood, California...

CLEAN: The Duchess of Cambridge, Patron of the All England Lawn Tennis and Croquet Club (AELTC), attended The Championships, Wimbledon on July 3rd, 2017. Shows Catherine, Duchess of Cambridge chatting to tennis players Kim Clijsters and...

CLEAN: Interior shots of Prime Minister David Cameron posing for group photo with guests during Laureus Sport Awards event at 10 Downing Street on 6 February 2012 in London, England.

CLEAN: Interior shots of Prime Minister David Cameron talking to Martina Navratilova during Laureus Sport Awards event at 10 Downing Street on 6 February 2012 in London, England.

CLEAN: Tennis great Navratilova diagnosed with breast cancer

A short profile of US tennis legend Martina Navratilova, who says she is hoping for a "favourable outcome" after being diagnosed with breast and throat cancer (Footage by AFPTV via Getty Images)