'Tis the season for celebrities to show their holiday flare. Christina Hendricks attended an event in Los Angeles on Sunday wearing a sexy sweater set.  The red headed "Mad Men" star showed off her curves in a knee-length skirt and matching sequined top.

"Dancing With The Stars" pro Karina Smirnoff wore a see-through blouse at the First Annual Winter in Venice Celebration in Las Vegas on Saturday. She paired the look with jeans and a santa hat.

Jennifer Love Hewitt was the center of attention at KIIS FM's Jingle Ball 2011 on Saturday. She stood out in a simple red frock.

Check out all their looks in the following pages: