The O.C.'s Mischa Barton plays a fashion-conscious teen who's always wearing the latest trends. Get her look here!

Rachel Bilson is the sassy Summer Roberts on The O.C. Find out how you can get her trendy fashion sense.

Lindsay Lohan is one of the hottest teen celebrities with one of the trendiest fashions. Get her look by checking out her casually cool styles right here!

Since leaving her Simple Life days behind, Nicole Richie's fashion has gone from wild to mild. Learn how to master her celeb style right here!

Scarlett Johansson knows how to make flash bulbs pop with her glamorous style. Get her Hollywood look right here!

The First Lady of Crunk&B goes glam for the red carpet, but kicks it in casual clothes on her off-time. Find out how to get Ciara's urban style!

If your clothes are sending out an SOS call, find out how you can bring some Caribbean heat to your plain Jane outfits by copying Rihanna's hot style!

Kirsten Dunst gets to dress up and be queen for a day in her latest flick, Marie Antoinette, but here's how you can dress just like Kirsten everyday!

Beyonce is such a dazzling diva that you’ll never see her without her high heels and blingin' jewelry. Check out how to get her glam style right here!

She plays a bushy-browed brace-face on Ugly Betty, but there isn't anything ugly about this Betty! Get America Ferrera's celebrity style right here.

With the release of her third album, The Best Damn Thing, it's the best time to check out the celebrity style of Avril Lavigne. Get her look right here!