Move over "Movember."
If you follow Jenny McCarthy, Kelly Killoren Bensimon or La La Anthony on Twitter, you may have noticed that these lovely ladies have posted pictures of themselves sporting big yellow mustaches.
PHOTOS: Do these stars look better with facial hair?
No, facial hair isn't the latest beauty trend. The trio is participating in "Defember,” a movement created by Olay to raise money for breast cancer awareness, and you can help out too.
PHOTOS: Celebs' favorite cancer awareness products
Just take the pledge to de-fuzz your upper lip on Olay's Facebook page, and the brand will donate $1 to the National Breast Cancer Foundation (up to $50,000).
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Fergie, Sarah Jessica Parker, and Heidi Klum all get an F on this week's Fashion Offenders.
Beyonce and Alicia Keys double date with their famous hubbies on today's Celebs Gone Social.
See what the cast of "American Beauty" is today.
Jennifer Lopez shares an adorable photo of her look-alike daughter, plus more celebritots on social media on today's Celebs Gone Social.
Prince Harry, Jessica Alba and more stars who threw out the first pitch at baseball games.
Sofia Vergara poses in a revealing neon bikini while her "Modern Family" castmates hit the beach in Australia on Celebs Gone Social.
Get the scoop on the RHONJ stars' recent whereabouts on Replay.
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