10 On/Off Celebrity Couples

Lindsay Lohan and Samantha Ronson: The status of this tumultuous pair changes by the second. (AP)

Drew Barrymore and Justin Long" After a very public whirlwind romance, Drew and Justin split in July 2008. However, they've been spotted getting cozy again over these past few months, indicating the sun may not have yet set on their love. (AP)

Farrah Fawcett and Ryan O'Neil: Farrah and Ryan were together together from 1982 until 1997 when they split. The two got back together in 2001 and remained together until her death on June 25th. (AP)

Megan Fox and Brian Austin Green: They're engaged, they're not engaged; they're together, they're broken up; she's single, but still kind of not. These two definitely need to get their love story straight. (AP)

Pink and Carey Hart: Pink and Carey Hart announced they were separating in February 2008 after two years of marriage. However, in an unexpected twist, the two began 'dating' again as of March 2009. (AP)

Travis Barker and Shanna Moakler: These two epitomize the concept of the love/hate relationship. Travis filed for divorce in 2006, after which a bitter war of words ensued over MySpace. They gave their love another go in 2007, but then finalized their divorce in 2008. After Travis was in a near-fatal plane crash, they gave it yet another try, but then broke up yet again in April. (AP)

Sienna Miller and Jude Law: Sienna and Jude broke up after it was revealed that he had had an affair with his children's nanny in July 2005. They tried desparately to salvage their on-off romance but eventually split for good and finally separated the following November. But we still think there may be another go-around for these two. (AP )

Pam Anderson and Tommy Lee: Pam and Tommy have a crazy relationship, even by Hollywood standards. Pam filed for divorce twice, and then reconciled with him twice, before the couple finally broke up for good in 2002. However, Pam has admitted that the two were still intimate after splitting up. (AP)

Pam Anderson and Kid Rock: After her on/off relationship with Tommy Lee was finally off for good, Pam entered into a new on/off relationship with Kid Rock. She broke up with Kid Rock the first time in 2003 but the two reconciled and were married in July 2006. It didn't last long and Pam filed for divorce a few months later. (AP)

Leonardo DiCaprio and Bar Refaeli: Leo and Bar have been on and off for years. For now, they're off, but who knows how long that will last. (AP)