Some stars have innate good fashion sense, killing it fromthe very first moment they set foot on the red carpet. For most mere mortals,however, it takes a while to find your style -- whether through trial anderror, or the help of a great stylist!
Seventeen has nominated the four young starsthey think have improved the most in the style stakes over the past year. "Victorious"star Victoria Justice, "The Vampire Diaries'" Nina Dobrev, and"Glee's" Dianna Agron and Lea Michele are all vying for the prize. Checkout the photos below and vote for your "Most Improved" star!
Back in January, "Victorious" star Victoria Justice was low-key in a patterned shift dress and boots at the premiere of "Hotel for Dogs." - Alberto E. Rodriguez/Getty Images Entertainment
By the Teen Choice Awards in August, the Nickelodeon cutie had found her style groove with a super-cute blue frock and leopard-print heels. - Jon Kopaloff/FilmMagic
Style Secrets from Taylor Swift, Rihanna, and More

By August, the vampy young star was a big hit in a sequined Alex Perry mini and silver Brian Atwood Kendall heels. - Jon Kopaloff/FilmMagic
She may play a spunky cheerleader on "Glee," but in June, Dianna Agron was looking more grandma than gorgeous in a floral dress and clunky heels. - Jason LaVeris/FilmMagic
By August, the blonde was blowing away the competition in a stunning Carolina Herrera frock at the Breakthrough of The Year Awards in L.A. - Jason LaVeris/FilmMagic
See Taylor Momsen as a Cute Kid!
With messy locks, clunky heels, and a shapeless white frock, "Glee" star Lea Michele was casual and unpolished at a special "Glee" screening in L.A. - Angela Weiss/Getty Images Entertainment
By November, at TV Guide's Hot List 2010 party, the diva was showing off her shapely legs to perfection in a ruffled Erdem mini. - Jason LaVeris/FilmMagic
More from Seventeen:
Best Style Moments of 2010
Worst Style Moments of 2010
Quiz: What's Your Style Personality
Victoria Justice's Style Makeover
Follow omg! on Twitter
Read More »from Who Had the Most Improved Style of 2010?