Alison Sweeneys blonde, wavy hairstyle

The Biggest Loser host Alison Sweeney wowed with her bright blonde tresses while signing copies of her new book, The Mommy Diet, at a Borders in New York City. Alison Sweeney’s long layered locks were styled in bouncy waves which she complemented with a pretty gray dress.

Alison Sweeney wore a casual, blonde hairstyle to the 18th Annual Camp Ronald McDonald for Good Times Halloween Carnival in Los Angeles.