Splitsville: Scarlett and Sean?

Scarlett Johansson and Sean Penn have split after just four months of romance. Speculation about the split started when the 26-year-old actress failed to attend the Cannes film festival in France with Penn for the premiere of his film Tree of Life.
Johansson and Penn started dating in February, shortly after she split from husband Ryan Reynolds.

Heartthrob Leonardo DiCaprio and girlfriend, Bar Refaeli ended their five year relationship as neither is ready to settle down.
This isn't the first time that they have called off their relationship. Leo and Bar split up for six months in 2009 after dating for four years, before reuniting last year. But will this time pave the end, with Leo's growing closeness to Blake Lively on the table?

Arnold Schwarzenegger's wife of 25 years Maria Shriver is now set to begin divorce proceedings against him, following the revelation he fathered a child with their housekeeper Mildred 'Patty' Baena. It is thought their assets - estimated between $200 and $400 million - could be divided evenly. The former California governor had earlier reassured that the couple will effectively continue parenting of their four children together.

Olivia Wilde has filed for divorce to officially end her eight-year marriage to Italian prince Tao Ruspoli.
According to reports, the actress lodged the petition this month at the Los Angeles County Superior Court, citing irreconcilable differences for the split.

Rachel Bilson and Hayden Christensen: Hollywood cuties Rachel and Hayden called off their engagement in June, 2010 to “focus on their careers” but were seen canoodling in the romantic islands of Barbados just a year later. Anyways, we think they're better together.

After 3 years of coupledom, Rihanna rumours and speculation on their relationship status, Justin Timberlake and Jessica Biel finally decided not to Social-ly Network anymore. Reps confirmed the separation in March 2011 and insist it was a mutual decision, the reasons for which are undisclosed.
Jess gets to keep the house and is not devastated at all, thank you very much for asking, according to her friends. Rumour has it that the breakup follows an awkward birthday party that Jessica threw for Justin where she choked up in a gushing speech that left JT embarrassed. And what about the reported Olivia Munn factor? We predict future developments – watch this space.

Ashley Olsen and Justin Bartha have gone down the splitsville road. The actress-fashion designer, 24, and her Hangover star beau of 2 years, Justin Bartha, 32 parted ways in March 2011. Reason? Could it be Ashley has a new Justin in her life? Read: Justin B. Sources say yes!