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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Check out some of Heidi's craziest Halloween costumes through the years.
New fashion trends are here! Take a look at celebrities rocking fall's best looks so far.
Check out what the cast of "Beverly Hills, 90210" is up to now.
From Heidi Klum and Seal to Ryan Sweeting and Kaley Cuoco, see which stars got tattoos for love.
Kaley Cuoco spends time with friends and family -- and lots of horses! -- in the wake of her breakup on this week's Celebs Gone Social.
Miranda Lambert opens up about self-esteem issues, her husband Blake Shelton and her involvement with Pedigree Dog Charity.
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