Mother's Day 2012: Celebs and their moms

10 of 51: Michael Phelps of the United States goes to hug his mother Debbie, left, as his sister, Hilary Phelps, looks on, after the medal ceremony for men's 4x100-meter medley relay final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Sunday, Aug. 17, 2008. (AP Photo/Itsuo Inouye)

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