03/16/2012 01:11 pm ET

LOOK: 'Mad Men' Star Elisabeth Moss's Changing Style (VIDEO)

We adored Elisabeth Moss as the lovable Zoey Bartlet on "The West Wing" and now can't get enough of her as the strong and sexy secretary-turned-copywriter Peggy Olson on the hit show "Mad Men."

While you anxiously await the 2-hour premiere of "Mad Men" Season 5 (Sunday, March 25 at 9/8c on AMC), here's a look back at the TV star's stunning style through the years.

Watch it above!