Are Olympic gold medals made out of chocolate?
That seems to be the only reason we can come up with to explain why so many winning Olympians have tried to take a bite out of their medals after claiming their pricey prize.
Whether they hail from U.S.A., Russia, South Korea or Iran, these athletes have all had a little gold in their teeth.
Check out our gallery of winners above ... and be sure to check back later today for photos from the big Closing Ceremony, featuring performances from The Spice Girls, Jessie J, Annie Lennox and George Michael.
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