Birthday Girls: Kate Beckinsale, Sandra Bullock, and Taylor Momsen
A young Beckinsale played Hero in "Much Ado About Nothing."
Kate attended a party for the film "Haunted."
Kate wore this white dress with a horse print to the premiere of The Golden Bowl.
For the London premiere of "Pearl Harbor," Kate wore this neutral dress with a wide belt.
Always daring when it comes to fashion, Beckinsale wore this white suit to the premiere of "Serendipity."
Kate looked super sultry with a plunging neckline for the premiere of "Underworld."
Kate wore this lovely backless lace dress to the Golden Globes.
Kate looked sunny in this lemon yellow tiered gown for the SAG Awards.
Kate wore this navy cocktail dress to the afterparty of the film "Whiteout" and we love it.
Kate absolutely sparkled in this elegant Gucci gown for the latest "Wall Street" film premiere.
At the "Underworld Awakening" premiere, Kate donned a Jenny Packham gown.
We fully support Kate's choice to rock a pop of yellow in her strappy sandals, a fun addition to a simple black dress.
Sandra chose a simple black gown for the premiere of "Demolition Man."
Short and sparkly is one of our favorite combinations, and Sandra rocked it at the MTV Video Music Awards.
She chose this sleek brown strapless gown for the 68th Annual Academy Awards, proving that sometimes simplicity is the best choice.
The Golden Globes call for serious glam, and Sandra answered perfectly.
Bullock chose a simple black frock for the VH1/Vogue Fashion Awards.
Sandra chose this daring dress with a sheer top for the Vanity Fair Oscar Party.
A sleek dress with a lot of feathers always equals a fun night.
For the 12th annual SAG Awards, Bullock chose a blush strapless dress with matching accessories.
Sandra donned a grecian-inspired one-shouldered gown for the premiere of "Premonition" in L.A.
We loved "The Blind Side," and love this dress she wore to the premiere even more.
Sandra was radiant in red at the Academy Awards.
For this year's Oscars, Bullock was stunning in an all-lace gown by Elie Saab.
A pint-sized Taylor was Cindy Lou-Who in The Grinch Who Stole Christmas with Jim Carrey.
Taylor meets the Queen of England in a pretty red dress and black mary-janes.
Taylor wore a cute leather skirt and Burberry scarf to the Carousel of Hope Ball.
Taylor briefly went brunette, wearing a kimono-inspired dress to the WB's All-Star Party.
Promoting Gossip Girl, Taylor looked sweet in a candy colored dress.
Taylor looked lovely in this slate blue dress, with a little shimmer on the skirt and in her heels.
Talk about a statement-making gown. Taylor looked gorgeous in this flowing dress at the American Ballet Theater's Spring Gala.
Taylor dons a short romper for the "Fashion Rocks" event hosted by Conde Nast.
Momsen added a bit of edge to this pretty mint gown with boldly lined eyes and red lips.
Taylor ramps up her edge factor with this outfit, wearing patterned tights and a garter belt.
With long blonde extensions and seriously dark eye makeup, Taylor knows how to make a statement!
Momsen was recently spotted at an event for Versace, wearing an all-black suit.
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These three women -- Kate Beckinsale, Sandra Bullock and Taylor Momsen -- all have had very different careers, and have very different style. But one thing they share in common is their birthday: July 26th!
Kate Beckinsale turns 40 today (though she doesn't look a day over 30!). We're looking at her style through the years since she started out in the early '90s as Hero in Much Ado About Nothing, and rose to superstardom through the beloved Pearl Harbor and action flicks like Underworld. She is effortlessly beautiful, even when taking style risks, and typically sticks to classic colors like white and black.
Another star who has shown a deep love for wearing the always-chic black is Taylor Momsen, who has had a striking style transformation from her days as Cindy Lou Who in The Grinch to Gossip Girl and today. She went from bright colors and girly silhouettes to bold and daring clothes and makeup. Taylor turns 20 today.
Sandra Bullock has had a consistent career since she burst on the scene in the early '90s, and has been just as consistent with her style. Today is her 49th birthday (and she's never looked better) -- and we're loving how she has always loved classic silhouettes and colors, one who knows the power of a little black dress.
Click through the gallery above to see a style transformation of these very different -- yet equally fashion-savvy women.