She applies a generous amount (about two palmfuls) of Blake Brown mousse to Kate’s wet hair, while blowing it dry with a pink Mason Pearson brush. Her niece’s strawberry blonde hair impressively ...

After the demo, ELLE.com talked to Lively one-on-one about putting to rest an internet rumor, her love for bedazzling, and why she thinks her Gossip Girl hairstyle became The Rachel of the 2000s.

Blake Lively chats with ELLE about her "Gossip Girl" hairstyles, quick fixes for a bad hair day, and her new Blake Brown hairspray.