Penny Lancaster and Rod Stewart. Rod is 26 years older.

(Photo by Tim Whitby/Getty Images)

Madonna gets a kiss from former husband, director Guy Ritchie who is 10 years younger.

(Photo by Vince Bucci/Newsmakers)

Jay Z is 12 years older than his wife Beyonce

(Photo by Frazer Harrison/Getty Images)

Rene Angelil is 26 years older than his wife Celine Dion

(Photo by Ethan Miller/Getty Images)

Cameron Diaz and Justin Timberlake dated, she is 11 years older than Timberlake.

(Photo by Gareth Cattermole/Getty Images)

Congrats to the Newlyweds, who are 14 years apart in age

(Photo by Kevin Winter/Getty Images)

Ellen DeDegneres is 16 years older than partner Portia De Rossi

Photo by Frazer Harrison/Getty Images

Mira Sorvino poses with her husband Christopher Backus, whom she is older than

(Photo credit should read FRANCOIS GUILLOT/AFP/Getty Images)

Jenny McCarthy and Jim Carrey are 10 years apart

(Photo by Ian Gavan/Getty Images for Disney)

Katie Couric and ex-boyfriend Brooks Perlin are 17 years apart

Photo credit should read MANDEL NGAN/AFP/Getty Images

Harrison Ford is 22 years older than Calista Flockhart

(Photo credit should read ROBYN BECK/AFP/Getty Images)

Courtney Cox and David Arquette are also a number of years apart

(Photo by Jason Merritt/Getty Images)

Hulk Hogan has 22 years on his wife Jennifer McDaniel

(Photo by Kevin Winter/Getty Images)

Demi Moore And Ashton Kutcher are 15 years apart

(Photo by Victor Boyko/Getty Images)

Megan Fox is 12 years younger than husband Brian Austin Green

(Photo by Jason Merritt/Getty Images)

Michael Douglas & Catherine Zeta Jones are 25 years apart

(Photo credit should read ROBYN BECK/AFP/Getty Images)

Bruce Willis and Emma Heming are 24 years apart

(Photo by Alexandra Wyman/Getty Images)

Hugh Hefner and Crystal Harris are 60 years apart

(Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

Brad and Angelina are 11 years apart in age.

(Photo by Pascal Le Segretain/Getty Images)

Heidi Klum and ex-husband Seal are a number of years apart

(Photo credit should read ROBYN BECK/AFP/Getty Images)

George Clooney with girlfriend Stacy Keibler who is 18 years younger than him.

(Photo by Jason Merritt/Getty Images for Hollywood Film Awards)

Katie Holmes is married to Tom Cruise who is16 years older

Photo by Andrew H. Walker/Getty Images

Kayte Walsh and Kelsey Grammer are 25 years apart

(Photo by Michael Buckner/Getty Images)

Mariah Carey And Nick Cannon are apart by a number of years

Photo by Pascal Le Segretain/Getty Images

Jennifer Lopez is 18 years older than Casper Smart

(Photo by Kevin Winter/Getty Images)

Donald and Melania are 23 years apart

(Photo by Brad Barket/Getty Images)

Alec Baldwin and Hilaria Thomas (26 years apart)

Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/GettyImages