Fergie: Avon Foundation Gala Co-Host!

Fergie rocks long sharp fingernails while shopping for a Halloween costume with a gal pal at Trashy Lingerie and Opening Ceremony on Thursday (October 11) in West Hollywood, Calif.

Earlier in the week, the 37-year-old entertainer was spotted wearing an all red outfit while arriving at LAX Airport.

PHOTOS: Check out the latest pics of Fergie

Fergie recently tweeted, “I’m co-hosting @AvonFoundation #AvonGala this month! Honored 2be a part of this incredible event.”

The Avon Foundation created The Avon Breast Cancer Crusade to help raise money to fight against breast cancer.

20+ pictures inside of Fergie Halloween shopping with a gal pal…