Best of 2011

Over and Out! The Year's Biggest Breakups

From Ashton & Demi to Arnold & Maria, 2011 was the end of the road for these star couples


After meeting on the set of I Am Number Four in summer 2010, British actor Alex Pettyfer quickly impressed Dianna Agron's Glee castmates during an August set visit. "He seems like a really nice guy," Agron's costar Jayma Mays told PEOPLE. By February 2011, engagement rumors swirled around the couple when Agron was spotted wearing a diamond band, but just days later the pair had mysteriously decided to call it quits.

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