1 Russell Crowe's affair with Meg Ryan was a scandal heard round the world. The romance ignited when the two met on the set of the drama Proof of Life in 2000. Ryan's 10-year marriage to Dennis Quaid came to an abrupt end when the affair was revealed. Crowe and Ryan ended their relationship later that same year, but remained friends. The Gladiator star is now preparing for his biggest role yet - father. His wife Danielle Spencer is due to give birth to a baby boy in January.

2 While Ryan was linked to Runaway Jury's John Cusack, he denies they were anything more than friends. Cusack, 37, who recently ended a four-year relationship with Neve Campbell, has been seen around Hollywood with Nash Bridges actress Jodi-Lyn O'Keefe, 24.

3 Actor Craig Bierko was Ryan's first relationship after her messy breakup with Russell Crowe. Bierko, who recently appeared in Dickie Roberts: Former Child Star, also dated Charlize Theron for two years.

4 Dennis Quaid gained more notoriety for being the wronged party in the Ryan-Russell scandal than from any of his films. But the Cold Creek Manor star has moved on. After a brief relationship with Andie MacDowell, Quaid began dating former salesgirl Anna Poche, 20.

5 She's All That star Jodi-Lyn O'Keefe reportedly had a relationship with Don Johnson, who played her father on Nash Bridges. She's now seeing John Cusack. In her next film, As Good As Dead, she co-stars with Kevin Dillon (brother of Matt Dillon).

6 Charlize Theron is engaged to LXG actor Stuart Townsend. She has dated Stephan Jenkins, lead singer of Third Eye Blind and actor Craig Bierko. Theron plays a lesbian hooker-turned-serial killer in her next film, Monster.

7 Don Johnson and Melanie Griffith married twice before deciding maybe they weren't meant to be. The actor was linked to his Nash Bridges co-star Jodi-Lyn O'Keefe before settling down with Kelly Pfleger with whom he has two children. He also has a daughter with Griffith and a son from his relationship with actress Patti D'Arbanville.

8 Matthew Lillard is married to Heather Helms and they have a one-year-old daughter. Before finding wedded bliss, he dated Neve Campbell (The Company) and Christine Taylor who played Marcia Brady in The Brady Bunch movies.

9 Christine Taylor has been married to actor Ben Stiller since May of 2000. She previously dated movie and television director Jason Bloom and actor Matthew Lillard.

10 Winona Ryder has had a string of celebrity boyfriends. She was once engaged to Johnny Depp and has dated Christian Slater, Matt Damon, David Pirner, lead singer of Soul Asylum and Saturday Night Live's Jimmy Fallon.

11 Antonio Banderas met wife Melanie Griffith while filming the comedy Too Much. The couple recently completed a run on Broadway, he in the play Nine and she in Chicago. The Once Upon a Time in Mexico star was married to actress Ana Leza and was Madonna's object of affection in her film Truth or Dare.

12 Ben Stiller had several high profile relationships before marrying Christine Taylor. He has been involved with Claire Forlani, Amanda Peet, Jeanne Tripplehorn and Janeane Garofalo.

13 Recently, Minnie Driver has been playing with 20-year-old tennis star Robby Ginepri. She was once engaged to Josh Brolin, son of James Brolin and stepson of Barbra Streisand. (The younger Brolin is now engaged to actress Diane Lane). Driver has also dated Harrison Ford, Matt Damon and John Cusack.

14 Over his long dating career, Matt Damon has been linked with Claire Danes, Winona Ryder, Minnie Driver, model Kara Sands and more recently, Odessa Whitmire (Ben Affleck's personal assistant).

15 Diane Lane (Under the Tuscan Sun) became engaged to actor Josh Brolin in
July. She married French actor Christopher Lambert of Highlander fame in 1988 but they divorced in 1994. Their daughter, Eleanor, just turned 10. Back in the '80s, Lane dated actor Timothy Hutton.