Happy 34th Birthday, Katie Holmes! Her 34 Best Looks Ever (PHOTOS & VIDEO)

Christina Aguilera isn’t the only one celebrating a birthday today. Katie Holmes turns 34 today.

Following a big year of change that saw the end of her five-year marriage to Tom Cruise, Holmes is kicking off a new year in a new city, with a new clothing line, a new Broadway show, and a new look to boot.

And to kick off the Birthday Girl’s fresh and fashionable start to 34, we’re celebrating Holmes’ chic style with a round up of her 34 best looks ever.

From her girl-next-door Dawson’s Creek’s days to her designer-clad TomKat years to her newly-single style, Holmes’ style has come a long way since she first hit the red carpet at 19.

When she first stepped into the limelight as pouty Joey Potter, Holmes’ red carpet style was much more cutesy than chic. Still, there were glimmers of the fashion designer that would later emerge, such as the cheery floral gown and slicked-back hair she donned to the premiere of Pieces of Aprilin 2003.

But Holmes truly left her small-town roots and small-screen style behind when she started dating Cruise. As a red carpet regular, the new Mrs. Cruise quickly became just as famous for her fashion as for her movies, regularly donning designer duds by everyone from Armani (who designed her wedding dress) and Calvin Klein to Stella McCartney and Gucci.

It didn’t take long for the fashionista to become one of Hollywood’s best-dressed stars, and her stock only rose even more in 2007, when she debuted a sleek new bob and modern style to match. While Holmes favored timeless designers and classic silhouettes during the Cruise era, she regularly broke outside the classic box with bold pops of color and selections from up-and-coming designers.

 The stylish mom’s interest in fashion extended far beyond the red carpet. Not only did she become a front-row fixture alongside new BFF Victoria Beckham, but she also started her own fashion line, Holmes and Yang. And the fashionable mom’s flair for fashion has even influenced her daughter, Suri, who has become one of Hollywood’s best-dressed tots.

After stepping out on her own this year, the newly-single star hasn’t left her fashionable side behind. In fact, she’s focused more on her role as a fashion designer, presenting Holmes and Yang’ first collection at New York Fashion week this past fall.

Holmes has always been a favorite of ours to watch over the years, and we can’t wait to see how her style evolves this year. So in honor of her 34th birthday, we’ve rounded up 34 of her best looks to date.

Click through the gallery to see Holmes’ 34 best looks over the years.

Which of Katie’s looks is your fave? Share your picks below.

Catch up on all of today’s celebrity birthday in the video below.

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By Natasha Burton