On-Again, Off-Again: Celeb Relationship Reboots

By ET ONLINE
TORONTO, ON - SEPTEMBER 09: Actress Megan Fox and actor Brian Austin Green attend Toast The Cast Of "Friends With Kids" reception, hosted by Michael Kors, Vanity Fair's Krista Smith and Red Granite Pictures at Jamie Kennedy Center at the Gardiner Museum on September 9, 2011 in Toronto, Canada. (Photo by Todd Williamson/Getty Images for Vanity Fair)

Hollywood is notorious for its lavish fairy-tale weddings -- but also for its dramatic and often contentious breakups. We all know the celebrity marriages that lasted only days -- in some cases mere hours -- as well as come couples who've bucked the breakup cliché to remain together for many years. Take a look at these couples -- beginning with Modern Family star Sofia Vergara and her boyfriend Nick Loeb -- who are somewhere in between because their on-again, off-again relationships always keep us guessing!

 

 

Megan Fox & Brian Austin Green

This Transformers star and former 90210 actor first got together in 2004, but took several breaks from each other in-between. They finally tied the knot in June 2010 and both now publicly speak lovingly of each other.

 

Sean Penn and Robin Wright

Actors Sean Penn and Robin Wright Penn -- who have a grown daughter together -- were married for a total of 14 years, but initiated divorce proceedings twice during that period before making their latest divorce final in 2010.

Spencer Pratt & Heidi Montag

This reality TV couple from MTV's The Hills got married twice -- the first time in Mexico in November 2008, then again in California in April 2009. Heidi filed a petition for divorce in July of 2010, but the two decided to reconcile a few months later.

Jude Law & Sienna Miller

These two stars of the 2004 film Alfie first got together in 2003 and got engaged on in December 2004. But the couple separated in 2006, only to rekindle their romance in December 2009.

Pink & Carey Hart

This singer and motocross racer first got married in 2006, but separated in February 2008. The have now been on-again since reuniting in February 2010 and even now have a one-year-old daughter together, Willow Sage Hart.

AnnaLynne McCord & Kellan Lutz

The Twilight hunk 90210 actress officially called it quits in late 2010 after almost two years of yo-yo dating.