On-Again, Off-Again: Celeb Relationship Reboots

The longtime talk show host filed for divorce from his seventh wife, Shawn, in April 2010. But months later King decided to halt the proceedings and reconcile and the two remain together today. 

The famous entertainer first married Stephen in 1982, but filed for divorce from the basketball star in 1985. The pair have one child together, Stephen Jr. Marie was then married to Brian Blosil -- with whom she has seven children -- but made headlines in May of last year when she re-wed Stephen Craig.

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

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.

The 'Titanic' darling and Israeli supermodel began dating in the spring of 2006, and tried to keep their romance secret despite their stardom. They split in 2009, but were back together the following year after a six-month break. But the pair decided to split for good in May of last year. 

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

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.

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. 

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.

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 some 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!