Bar Refaeli & Leo DiCaprio's Relationship Timeline

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Leonardo DiCaprio & Bar Refaeli
Rumor has it the actor and the supermodel are back together ...again.

Leonardo DiCaprio and Bar Refaeli's relationship is about as unpredictable as an episode of Jersey Shore. Since they've broken up something like three times in the last five years, you never know: Will they fight? Will they make up? Make out in a hot tub? Or will one of them punch the other? OK, maybe not that one. Quiz: Which 'Jersey Shore' Character Are You?

Trust us, we are just as confused as you are. On January 2nd, Leo and Bar were back together after splitting last summer, ringing in the New Year in Cabo San Lucas, Mexico. On the 21st, the couple got annoyingly domestic, shopping at Target together. On the 26th, Bar, 24, who has been linked to multimillionaire Teddy Sagi and Gossip Girl star Chace Crawford, didn't want to be called Leo's girlfriend. And now, word on the street is they're back together again.

So while we're basking in that rumor's wonderful glow, let's try to make sense of their relationship. Here, a time line of the glam pair's ups and downs:

November 2005: Leo and Bar start dating when she's 20 (and he's 30). They meet at a Las Vegas party for U2. Before Bar, the actor dated supermodel Gisele Bundchen, who is now married to Tom Brady and has a child with him. Hmm, we don't know about you, but we'd pick Tom over Leo any day. Celebrity Overshare? Gisele Gave Birth In Bathtub

March 2007: The relationship takes a political turn as Israeli Vice Premier and former Prime Minister Shimon Peres asks him to promote environmental conservation and peace in the region. Leo promises to help with both issues. Good boy!

September 2008: They are rumored to take some time off but reconciled months later.