The 10  Most Scandalous Celebrity Affairs of All Time

Ashton Kutcher's alleged affair with administrative assistant Sara Leal rocked his six-year marriage with actress Demi Moore. Leal's claims, detailed in an interview with Us Weekly.

Ashton Kutcher, Sara Leal, and Demi Moore:

One of the most infamous affairs in modern history, rumors of Marilyn Monroe's involvement with President John F. Kennedy circulated widely, particularly during his marriage to Jackie Kennedy.

Marilyn Monroe and John F. Kennedy:

In 2004, David Beckham's personal assistant Rebecca Loos made headlines by claiming to have had sexual relations with the soccer star, referring to herself as his "second wife.

David Beckham and Rebecca Loos:

One of the most scandalous celebrity affairs of the 1950s involved Elizabeth Taylor and Eddie Fisher. Fisher, who was married to Debbie Reynolds at the time, provided comfort to Taylor following the death of her husband Mike Todd.

Elizabeth Taylor and Eddie Fisher:

Brad Pitt's marriage to Jennifer Aniston came under scrutiny when he starred alongside Angelina Jolie in "Mr. & Mrs. Smith." Sparks flew between Pitt and Jolie on set, leading to speculation about their relationship.

Brad Pitt and Angelina Jolie:

Angelina Jolie's romantic entanglement with Billy Bob Thornton caused a stir in the late '90s. Thornton, who was in a relationship with actress Laura Dern, abruptly left her to marry Jolie. 

Billy Bob Thornton, Laura Dern, and Angelina Jolie:

Humphrey Bogart's romance with Lauren Bacall blossomed on the set of "To Have and Have Not" in 1944. Despite a significant age gap and director Howard Hawks' attempts to sabotage their relationship.

Humphrey Bogart and Lauren Bacall:

The affair between Prince Charles and Camilla Parker Bowles rocked the British monarchy and captured global attention. While married to Princess Diana, Charles maintained a secret relationship with Camilla, his former girlfriend.

Prince Charles, Camilla Parker Bowles, and Princess Diana:

Princess Diana's affair with James Hewitt, a British cavalry officer, added another layer of scandal to the royal family.

Princess Diana, James Hewitt, and Prince Charles:

- Hugh Grant's liaison with Hollywood prostitute Divine Brown rocked his relationship with actress Elizabeth Hurley in 1995.

Hugh Grant and Elizabeth Hurley: