Prince Charles was 13 years older than Princess Diana when they married. They had two sons together, Prince William and Prince Harry. (Photo by PA/AFP/Getty Images)
Paul McCartney And Heather Mills
Sir Paul McCartney is 26 older than his ex-wife Heather Mills. The couple divorced in 2008. (Photo by Frazer Harrison/Getty Images)
Hugh Hefner
Hugh Hefner was more than 53 years older than his three girlfriends depicted in the reality show "The Girls Next Door." They were Holly Madison, Bridget Marquardt, and Kendra Wilkinson. (Photo by Alberto Rodriguez/Getty Images for AFI)
Adrianne Curry And Christopher Knight
VH1's "My Fair Brady" stars Adrianne Curry and Christopher Knight married May 30, 2006. Curry was just 23 when she wed the 48-year-old Knight. (Photo by Ethan Miller/Getty Images)
Susan Sarandon And Tim Robbins
Actor Tim Robbins is 12 years younger than his former partner Susan Sarandon. They started dating in 1988, and have two sons together Jack Henry and Miles Guthrie. They split up in late 2009. (Photo by Frazer Harrison/Getty Images)
Katie Lee And Billy Joel
Singer Billy Joel married his third wife, Katie Lee, on Oct. 2, 2004. At the time of their wedding, she was 23 and he was 54. They divorced in the summer of 2009. (Photo by Joe Corrigan/Getty Images)
Guy Ritchie And Madonna
Madonna married Guy Ritchie in December 2000. She is 10 years older than Ritchie. The two divorced in 2008. (Photo by Max Nash/AFP/Getty Images)
Catherine Zeta-Jones And Michael Douglas
Actor Michael Douglas is more than 20 years older than his actress wife Katherine Zeta-Jones. They married in November 2000. (Photo by Frazer Harrison/Getty Images)
Rod Stewart And Penny Lancster
Singer Rod Stewart married long-time girlfriend Penny Lancster on June 16, 2007. He is 26 years her elder. (Photo by Graham Stuart/AFP/Getty Images)
Jay-Z And Beyonce
Rapper Jay-Z is 11 years older than his wife Beyonce. The two were wed in April 2008. (Photo by Jim Rogash/Getty Images)
Harrison Ford And Calista Flockhart
Alice Cage And Nicolas Cage
Actor Nicolas Cage is 20 years older than his third wife, Alice Kim. The couple wed on Oct. 3, 2005. (Photo by Bryan Bedder/Getty Images)
Brad Pitt And Angelina Jolie
Actor Brad Pitt is 12 years older than girlfriend Angelina Jolie. The couple have four children together. The couple have reportedly said they will not be married until the right is extended to all, including gays and lesbians. (Photo by Jason Merritt/Getty Images)
Heidi Klum And Seal
Singer Seal is 11 years older than super model wife Heidi Klum. The two married May 2005. They have two sons together, Henry Günther Ademola Dashtu Samuel and Johan Riley Fyodor Taiwo Samuel. Heidi has a daughter Helene Klum from a previous relationship. (Photo by Frazer Harrison/Getty Images)
Katie Holmes And Tom Cruise
Actor Tom Cruise is 16 years older than his current wife, Katie Holmes. The couple married Nov. 18, 2006, in Italy. (Photo by Michael Loccisano/Getty Images)
Woody Allen And Soon-Yi Previn
Woody Allen is more than 35 years older than his former stepdaughter, now wife, Soon-Yi Previn. (Photo by Stephen Lovekin/Getty Images)
Donald Trump And Melania Trump
Donald Trump is 24 years older than his third wife, Melania. They have a son together, Barron William Trump, her first child and his fifth. (Photo by Katy Winn/Getty Images)
Eva Longoria And Tony Parker
Actress Eva Longoria is seven years older than her husband Tony Parker. The couple married in 2007. (Photo by Olivier Douliery /ABACAUSA.COM)
Aaron Johnson And Sam Taylor
Actor Aaron Johnson was born in 1990. His fiance, artist Sam Taylor-Wood, was born in 1967, marking a 23-year difference in age. (Photo by Donald Bowers/Getty Images)
Ashton Kutcher And Demi Moore
Actress Demi Moore is 15 years older than her husband, Ashton Kucher, whom she married Sept. 25, 2005. (Photo by Timothy A. Clary/AFP/Getty Images)