Sandra Bullock, Zac Efron, Scarlett Joahansson & More Who Had The Most ... - Hollywood Life

Sandra Bullock, Zac Efron, Scarlett Joahansson & More Who Had The Most Shocking Break-Up Of 2010?

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It looks like 2010 was the year of the celeb break-up with couples from Blake and Penn to Eva and Tony calling it quits!

2010 may have been a good year to fall in love for some Hollywood stars, but for others it was anything but! Young Hollywood couples like Blake Lively and Penn Badgley and Vanessa Hudgens and Zac Efron as well as married pairs such as Sandra Bullock and Jesse James and Courteney Cox and David Arquette all called it quits be it amicable or anything but! Take a look at our gallery of the 21 most shocking break-ups and let us know which split surprised you most!

• Vanessa Hudgens & Zac Efron: The darling Disney duo may always have High School Musical, but it turns out they will not always have each other after splitting in December of 2010.
• Scarlett Johansson & Ryan Reynolds: The pair"s attempts to stay out of the public eye seemed to be a sign they were doing everything they could to keep their marriage together, but the young heartthrobs amicably split in December of 2010.
• Blake Lively & Penn Badgley: The Upper East Side"s most charming pair stuck it our for three years before parting ways in September of 2010. Things still seem to be civil between the pair as they have been spotted OO"ing on the Gossip Girl set.
• Sandra Bullock & Jesse James: After the joy of her first Academy Award and adoption of her first son, Louis Bardo Bullock, Sandra had to deal with the hurt and pain that her husband Jesse had been cheating on her with numerous women!
• AnnaLynne McCord & Kellan Lutz: It looks like the 90210 babe and Twilight hunk"s on-again off-again relationship couldn"t keep up with their busy work schedules as they called it splits in November of 2010 but don"t be surprised if these two reconcile!
• Taylor Swift & John Mayer: Before finding (debatable) true love with Jake Gyllenhaal, Taylor embarked on her first June-November relationship with this oft acquainted Srock star. The relationship didn"t work out, but she got a great song out of it!
• Halle Berry & Gabriel Aubry: The Oscar winner and her male model beau ended their almost five year �relationship in April of 2010, but remain close through 2-year-old daughter Nahla.
• Christina Aguilera & Jordan Bratman: After almost five years of marriage the couple announced in October of 2010 they had split a few months earlier and would share custody of 2-year-old son Max.
• Courteney Cox & David Arquette: The seemingly mismatched pair was happily married for a whopping 11 years and proud parents of 6-year-old Coco before splitting in October of 2010.
• Eva Longoria & Tony Parker: The Desperate Housewives star and NBA baller split three years after their romantic Italian wedding in November of 2010 amidst rumors Tony was having an affair with Erin Barry, the wife of a teammate.
• Jennifer Aniston & Gerard Butler: Was it real? Who can say. What we do know is that whatever love there might have been between the stars of The Bounty Hunter seemed to fizzle out shortly after their worldwide press tour. Hmmm
• Tammy Lynn Michaels & Melissa Etheridge: Melissa filed legal papers to end the pair"s domestic partnership in July of 2010, leading to anything but amicable comments from former partner Tammy on her blog about giving up her career for the rock star.
• Carey Mulligan & Shia LaBeouf: One of the year"s cutest pairs fell in love while filming Wall Street 2, but by October of 2010 had split as both dealt with incredibly busy work schedules.
• Evan Rachel Wood & Marilyn Manson: The young ingenue and her Sglam punk rocker beau ended their engagement of August of 2010 after being on-and-off since 2006.
• Jenny McCarthy & Jim Carrey: This hysterical twosome seemed like they would be together forever, but split in April of 2010 though both said the split was completely amicable.
• Charlize Theron & Stuart Townsend: After nine years together, and constant claims they were each others soulmates, the pair parted ways in January of 2010.
• Kate Winslet & Sam Mendes: The award winning actress and her director husband split in March of 2010 after seven years of marriage and one son, 6-year-old Joe.
• Jennifer Carpenter & Michael C. Hall: The Dexter duo found love on set and Jennifer stuck by Michael through his cancer scare in late 2009, but the pair ultimately parted ways in December of 2010.
• Kim Kardashian & Reggie Bush: The reality starlet found love with footballer Reggie and even helped his team the New Orleans Saints to a Super Bowl victory, via the Kardashian good luck charm, but it wasn"t enough as they split in March of 2010.
• Kim Kardashian & Miles Austin: It was on to footballer Miles once Reggie soured, but after a few month fling Miles was unable to deal with the constant glare of the Kardashian"s fame.
• Kim Kardashian & Gabriel Aubry: If at twice you don"t succeed oh, they already broke up.

-Chris Spargo