Read on to see Jessica Alba's beauty transformation.

1999

Alba tried out a fun '20s-inspired look for the premiere of Never Been Kissed. She has joked, "When I first started wearing makeup, I went overboard."

2000

The actress landed TV series Dark Angel and wore her hair in a long layered look.

2001

The L'Oreal Feria spokeswoman went ruby-red and "felt like a rock star." She said of the look's bold colored liner: "To me red hair and blue eye shadow looked good at the time."

2003

She starred in Honey and played up her honey highlights with a sleek pompadour.

2004

She sported a deep auburn hue after wrapping Sin City: "I just tend to go for it and have fun with color."

2005

Alba lightened her brows to match her newly-transformed locks. "Jessica's skin is very golden, so we made her a cool blonde," hairstylist Robert Ramos has said of Fantastic Four star.

2005

The Into the Blue beauty for the big chop, wearing her hair in a sleek, sideswept bob.

2006

Alba appeared at the Golden Globes with a voluminous bob.

2007

Alba credited her lush brunette locks to hairstylist Robert Ramos. "I don't know many brunettes besides me who have gone blond then switched back to brown and still have healthy hair," said the Good Luck Chuck lead.

2008

Pregnant with daughter Honor Marie Warren, the Love Guru star rocked a crown of braids for the Academy Awards.

2009

Alba returns to blonde with lightened eyebrows to match her new sunny shade.

2010

Starring in Valentine's Day and the The Killer Inside Me, Alba switched up her look with a layered bob. "It's piecey, not 'done' looking," says her stylist Robert Ramos.

2010

Alba smoldered at a showing of Machete with sexy, rumpled waves.

2010

A low ponytail for a CNN event.

2010

"She had mentioned she wanted a haircut," said the star's hairstylist, Renato Campora. "She didn't know what direction she wanted to go, and this new modern bob was the first style I thought of. We've worked together so long that she really trusts me. I love the way it shows off her neck, but is still long enough for a variety of diverse looks."

2011

Pregnant with her second child, Alba topped off her chic maternity style with glowing skin and loose waves.

2011

The mom of two hosted an event, sporting relaxed waves and purple shadow.

2012

Soft shades of mauve for the Golden Globes.

2012

Gleaming waves and matte red lips for the Costume Institute Gala.

2012

Alba debuted a sunny shade to reprise her role as the blond Nancy Callahan for Sin City 2. "She's got roots, that Nancy," the star tweeted.

2012

Alba went with a sleek side-ponytail for the Environmental Media Awards.

2013

For the Golden Globes, Alba showed off her sun-kissed complexion in a peach Oscar de la Renta mermaid gown and a brilliant lip shade. Her makeup artist, Lauren Andersen told us, "The dress was the inspiration, I loved the contrast between her glowing skin and the matte orange lip. It's an almost tropical shade that's not an exact match for the dress but close." Andersen chose Hourglass Opaque Rouge Liquid Lipstick in Riviera.

2014

Alba opts for a subtle sultry look, pairing her wine-red lip with long lashes.

2014

The actress, donning a natural look, poses at the MTV Movie Awards red carpet.

2015

The actress debuts a lob.

2016

Alba swept her honey-hued locks into an undone braid, complementing the 'do's intensity with a raspberry lip.

2017

The actress rocked soft waves which she paired with a bold brow and glittering red eye shadow.

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