VIDEO : Sarah Michelle Gellar On Shannen Doherty

No one is a bigger fan of Shannen Doherty than her bestie, Sarah Michelle Gellar! The cookbook author and actress, 39, spoke exclusively with ET about Doherty?s bravery and strength at the Good Housekeeping Test Kitchen in NYC on Monday. Gellar says of Doherty who has been public about her struggle with breast cancer, ?What she's done for other women going through it is... so brave, and that's what real bravery is, is to go through the hardest part of your life and show people, it's OK to be scared."