The world-renowned designer always has her super long, dark locks looking impossibly shiny and smooth. Photo courtesy of Andres Otero/WENN.

At the Los Angeles premiere of "Footloose," Ashley Tisdale puts up half of her blonde locks while leaving the rest down. Photo courtesy of Travis Wade/WENN.

Who can forget the former "Hills" stars blonde mane? Since the showed aired in 2006, her hair has gotten longer and much blonder.

The Victoria's Secret model has the perfect length and color of hair that complements her face well.Photo courtesy of Theo Karanikos/WENN.

Victoria's Secret model Lily Aldridge has her ombre hair down to perfection. Here she poses at the Victoria's Secret introduction of the new "Sexy Little Bride Collection" in NYC. Photo courtesy of PNP/WENN.

This Victoria's Secret model has fabulous, dark hair. Add in layers for a voluminous look!

Not only is this pint-sized actress popular for playing Summer Roberts in the beloved "The O.C.," but everyone knows she has her ombre hair color perfected to a T.

Jessica Biel at Paris Fashion Week Spring/Summer 2012.

The actress shows off her golden brown locks at London Fashion Week Spring/Summer 2012. Photo courtesy of Lia Toby/WENN.

This blonde bombshell's platinum 'do is always in a sleek updo or down. Photo courtesy of Brian To/WENN.

Jenn Aniston flaunts her short bob at the Los Angeles premiere of "Horrible Bosses" which she went brunette for to play the part. Photo courtesy of Apega/WENN.

The stunning actress wore her hair in an Old Hollywood style at the 2011 Cannes International Film Festival. Photo courtesy of Lia Toby/WENN.

At the LACMA's Art and Film Gala in Los Angeles, Rachel Zoe wore her hair in soft waves. Photo courtesy of Brian To/WENN.

At the TV Guide Magazine's Annual Hot List Party in Beverly Hills, Zooey Deschanel wore her hair fluffy and teased, giving her a retro look. Photo courtesy of Daniel Tanner/WENN.

Emmy Rossum rocks the long hairstyles like no other! While attending the grand opening of the W Hotel in Washington DC, Emmy Rossum with a gorgeous long hairstyle with a slight wave/curl that looks beautiful yet very chic and easy!

Jennifer Lopez wearing a sexy messy updo hairstyle at the the 82nd Annual Academy Awards held at The Kodak Theatre in Hollywood, CA.

The "Real Housewives of Orange County" star always has her signature blonde locks fluffed up and perfectly coiffed. She may be a little dramatic, but her flawless hair sure makes up for it! Rossi struts her stuff at the Rolling Stone's 2011 AMA's after party in LA. Photo courtesy of FayesVision/WENN.

The rock singer always has some fun, edgy color in her straight, blonde locks. We love it! Photo courtesy of C. Smith/WENN.

The reality star always keeps her hair in a sleek ponytail or bun. Photo courtesy of B. Dowling/WENN.

"The Roommate" star always has her brunette locks sleek and perfectly styled. Photo courtesy of PNP/WENN.

At the London premiere of The Karate Kid, Jada Pinkett Smith modeled this fantastic ponytail hairstyle with striking bangs skimming her eyes. The low ponytail is sleek and sexy, which works beautifully for the red carpet occasion. Jada Pinkett Smith’s full, blunt bangs draw attention to her eyes.

Tyra Banks looks adorable and wavy with this shoulder length, volumized hairstyle. The color is perfectly suited for the model's skin tone and has become her signature look in recent years. Photo courtesy WENN.

Amber Heard is poofed up and gorgeous with this blonde updo hairstyle that makes her eyes pop and makeup stand out. Photo courtesy WENN.

Adele adds volume and curls to her look to flatter her round face and give extra attention to her gorgeous makeup job. Photo courtesy WENN.

Anne Hathaway frames her face with light waves in her red hair. Photo courtesy of WENN

Amber Heard goes platinum blonde to lighten her looks for spring. Photo courtesy WENN

Carrie Underwood looks gorgeous with her curled blonde hair on the red carpet. Photo courtesy WENN

Amy Adams looks like a star with her red hair curled into this asymmetrical hairstyle. Photo courtesy WENN

Alicia Keys twists her hair into this beautiful updo for the red carpet. Photo courtesy WENN

Abbie Cornish styles her hair in a simple straight hairstyle. Photo courtesy WENN

Camila Alves styles beach waves into her long black hairstyle. Photo courtesy WENN

Carmen Electra pulls her blonde hair back in a tight bun. Photo courtesy WENN

Cassie pulls her black hair up into a high updo to show off her short sides. Photo courtesy WENN

Ellen Pompeo walks around with a simple wavy hairstyle. Photo courtesy WENN

Emma Stone pulls her famous blond locks into a loose updo. Photo courtesy WENN

Heidi Klum styles her mid-length blond hair with perfect beach waves. Photo courtesy WENN

Jessica Beil pulls her long dark hair in a high ponytail. Photo courtesy WENN

Jessie J. pulls her black hair into a tight, high ponytail. Photo courtesy WENN

Kate Walsh shows off her perfect beach waves outside on a beautiful day. Photo courtesy WENN

Katy Perry pulls her dark hair back into this classic updo. Photo courtesy WENN

Kris Jenner styles her short black hair in a '60s style hairdo. Photo courtesy WENN

Miley Cyrus shows off her straight blonde bob hairstyle on the red carpet. Photo courtesy WENN

Minnie Driver styles her long brown hair in a conservative simple hairstyle. Photo courtesy WENN

Mischa Barton adds loose curls to her long blond hair. Photo courtesy WENN

Nicole Scherzinger looks very Hollywood glam with her stylized ponytail. Photo courtesy WENN

Rita Ora curls her blonde hair with tight curls. Photo courtesy WENN

Zooey Deschanel accessorizes her brunette hair with a simple black band. Photo courtesy WENN

Amy Smart styles curls into her short blond hair. Photo courtesy WENN

Brandy wears her hair in big beautiful curls on the red carpet. Photo courtesy WENN

Cat Deeley Styles her blond hair into a asymmetrical hairstyle. Photo courtesy WENN

Christie Brinkley curls her famous blond hair into large loose curls. Photo courtesy WENN

Diane Kruger slicks her blond hair into an Old Hollywood inspired hairstyle. Photo courtesy WENN

Emma Stone sweeps her hair back in this beautiful updo. Photo courtesy WENN

Fran Drescher styles her black hair in a flattering curled hairstyle. Photo courtesy WENN

Jennifer Tilly styles her mid length brown hair with large wavy curls. Photo courtesy WENN

Julie Bowen styles loose waves into her blonde hair. Photo courtesy WENN

Kate Upton wears her famous blond hair into a high updo. Photo courtesy WENN

Kendra Wilkinson braids her blond hair into a dynamic updo. Photo courtesy WENN

Kim Kardashian curls the bangs of her black hair to add detail to her hairstyle. Photo courtesy WENN

Kristen Stewart pulls her dark hair back into this elegant half updo for her red carpet premier. Photo courtesy WENN

Lea Michele pulls her black hair back in a casual updo. Photo courtesy WENN

Lily Collins pulls her dark hair back into a tight bun for this red carpet hairstyle. Photo courtesy WENN

Reese Witherspoon pulls her blond hair back in a simple updo for the red carpet. Photo courtesy WENN

Brooklyn Decker looks beautiful with her mid-length hairstyle. Photo courtesy WENN

Cameron Diaz looks elegant with her styled blond bob. Photo courtesy WENN

Camille Grammer looks casual and beautiful with her blond hair pulled back into a ponytail. Photo courtesy WENN

Carey Mulligan looks dramatic and elegant with her short blond hair styled in waves. Photo courtesy WENN