Celebrities Go for the Underwear Ads

Celebrities are showing off their knickers. Two celebrities have just signed on to become endorsers for two different underwear brands.

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Sarah Chalke, of Scrubs fame, has signed on to star in the Hanes "Wedgie Free" campaign for the brand's new "no ride-up panties." She joins other Hanes endorsers like Jennifer Love Hewitt, Jackie Chan, Michael Jordan, Cuba Gooding, Jr., Christina Applegate, Marisa Tomei and Kevin Bacon.

Hitch and We Own the Night star Eva Mendes has also signed an underwear endorsement deal to sport Calvin Klein underwear. Earlier this year, she signed a reported $3-5 million deal to become the face of Calvin Klein Fragrances for a campaign debuting this fall. The underwear ads will also debut this fall.

Celebrities have been appearing in underwear ads for decades. Who else can you name that's appeared in undies ads?