Celebrity divorces, breakups of 2011

Slideshow posted in Photos | Monday, January 03, 2011

48 of 105: After recently denying engagement rumors, "I Am Number Four" co-stars Dianna Agron and Alex Pettyfer have reportedly called it quits.

An unnamed source confirmed the news to Us Weekly, who claims that Agron has moved out of the couple's home. 24-year-old Agron, who stars in "Glee" and 20-year-old Pettyfer have not confirmed the reports.

The two have been rumored to be dating since August. (Pictured: Dianna Agron and Alex Pettyfer appear in a scene from 'I Am Number Four.') (Dream Works)