Best of 2011: Cheating Scandals of the Year
Credit: Kevin Mazur/VF11/WireImage.com
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Justin Timberlake and Jessica Biel
In March, the on-again, off-again couple of four years announced they were splitting up, as rumors persisted about Timberlake's rampant flings with other women. During their final "talk," one pal said, "He didn't admit the cheating, even though we all knew it." The duo reconciled over the summer.