Yesterday was January Jones's 35th birthday, and to celebrate, we're taking a look at some of her most alluring magazine editorials. She may play an ice queen on TV, but there's no question about it: the Mad Men star is as hot as they come. From gracing the covers of W and GQ to serving as the face of Versace, the actress and mum (to 1-year old son Xander) is on fire — and doesn't show any signs of slowing down. Click through to see 25 of January's sexiest spreads.
25 of January Jones's Most Sizzling Editorials