Britney Spears is the new X Factor judge! Simon Cowell made the official announcement today, and welcomed Britney, along with Demi Lovato, to the judging team. She's brought plenty of hotness since hitting the scene in 1999, including endless amounts of ab-baring ensembles and multiple envelope-pushing dance moves, which make her a perfect fit for the prime-time singing competition. Take a look Read more

Robert Pattinson is 26 today! He's heading into his next year with a lot on his plate. Robert has three movies on the way, with Breaking Dawn Part 2, Cosmopolis, and Bel Ami coming out. He's France-bound this month with Cosmopolis premiering at the Cannes Film Festival. Hopefully the busy actor will find some downtime to relax and celebrate with lady friend Kristen Stewart, who will also be at Read more

Victoria Beckham has changed her hair countless times since she came to fame with the Spice Girls. The singer-turned-fashion-designer has worn her tresses long, short, cropped, blonde, brown and highlighted to the hilts, and Britain has been by her side every moment commenting feverishly on her updates. Take a stroll down memory lane with me as I celebrate her hairstyles throughout the years. Read more

We've practically grown up with Emma Watson. From her young start as Harry Potter's BFF and magical muggle Hermione to Burberry campaign stunner, to flaunting skimpy outfits and faux tattoos on the set of The Bling Ring, this beautiful Brit has accomplished a lot in very little time. She turns 22 on Sunday and to fete her impressively stylish career thus far, we've rounded up her most gorgeous Read more

Today is January Jones's 34th birthday, and to celebrate, we're taking a look at 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 new mom (son Xander was born in September) is on fire — and doesn't show any signs Read more

For more than 40 years, Diane von Furstenberg has designed beautiful, covetable dresses and ready-to-wear pieces for a strong, stylish, independent woman. Today, we celebrate her birth and all of her fabulous accomplishments since jump-starting her iconic brand. Among her chic milestones? Giving us a plethora of colorfully signature wrap-dress prints, being honored with the CFDA lifetime Read more

She's come a long way since capturing our hearts as lovable ditz Karen Smith in Mean Girls. Since then, she's taken the leading lady reins in Dear John, Mamma Mia!, Letters to Juliet, Big Love, Red Riding Hood, and In Time. At only 26 years of age, Amanda Seyfried has proven a force to be reckoned with on the big screen and on the red carpet. And for all her fashionable feats, we are completely Read more

There are two celebrity princesses celebrating a birthday today! One portrayed royalty on the silver screen, while the other went from film to the real thing — Anne Hathaway channeled a regular girl thrust into royalty in The Princess Diaries, while Grace Kelly starred in movies like Dial M For Murder, Rear Window, and To Catch a Thief before marrying Monaco's Prince Rainier III in 1956. Read more

She pulls off a being a blonde (though we like her best as a redhead), she can hang with the guys, and has the red-carpet styling skills of a seasoned pro. For these, and many other reasons, we've fallen hard for the funny-turned-leading lady (and today's birthday girl) Emma Stone. We first took notice of Emma as Jonah Hill's high-school crush in Superbad, and she's quickly added to her résumé Read more

Nicole Richie turns 30 today! We're celebrating her big day with a look back at some of her most memorable photos with her best pals. She had the company of one-time BFF Paris Hilton when they filmed The Simple Life, and other buds like Rachel Bilson, Naomi Campbell, and Kate Bosworth have been by her side supporting her fashion endeavors. She's one of the best-liked ladies in Hollywood, so Read more