4
Arie Luyendyk Jr. and Courtney Robertson separated in Mar 2013 after dating for 5 months...
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5
Courtney Robertson and Adrian Grenier separated in 2009 after dating for 1 year...
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6
Isabel Lucas and Adrian Grenier separated in Aug 2008 after dating for 5 months...
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9
Katy Perry and John Mayer separated in Jul 2015 after dating for 3 years...
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13
Jordan Kimball and Jenna Cooper separated on 11th Sep 2018 after being engaged for 1 day...
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