How YOU Doin’ January Jones?

Let’s toast the gorgeous January Jones — aka Betty Draper, the maddest, bat-s**t-craziest woman on “Mad Men” — on her 33rd birthday today. To celebrate, here’s a “retrosextive” highlighting 33 of the Sexiest January Jones Photos in Existence, including her early birthday gift to her fans: pics from that just-released Versace shoot, in which she’s wearing … a purse. Click the images for a closer look!

Eliza Dushku
Britney Spears
Christina Aguilera
Scarlett Johansson