Megan Fox's Foxiest Looks Through the Years

Back in March of 2003, Megan rocks an all-black look to an event at the House of Blues in West Hollywood.

At the 'Confessions of a Teenage Drama Queen' premiere in 2004, Megan adds some high drama to the evening with her skintight ensemble.

Megan Fox sports some tiny shorts at Cosmopolitan magazine's 40th birthday celebration back in 2005.

The super Fox opts for a flirty, burnt orange frock at Maxim's Hot 100 party in 2007.

The pink lady struts her stuff in a hot pink number at the 2007 MTV Movie Awards.

The Tennessee-born actress is a black and tan dream at a 'Transformers' event on June 11, 2007 in Seoul, South Korea.

Leaving her sultry style behind for an evening, the former "Hope & Faith" star shows off her sweet side in an adorable, silver stunner at a 'Transformers' event on June 12, 2007 in Sydney, Australia.

During her whirlwind promotional tour, the starlet shows off her killer bod with a form-fitting choice at the 'Transformers' UK premiere in 2007.

Film star Megan Fox sizzles in a frisky, feathered flapper dress at the Hollywood premiere of 'Transformers.'

The 'How to Lose Friends & Alienate People' star sports a comfy, cute ensemble at the 2007 Teen Choice Awards.

During the 2007 Video Music Awards, Megan highlights her assets in a skintight minidress.

The fiery star revs up in a cherry red outfit at an event for Mercedes-Benz Fashion Week in 2007.

At the Tart fashion show in 2007, the 'Transformers' star is a catwalk cutie in this hip, belted outfit.

During Spike TV's 2007 Scream Awards, Megan sets cameras ablaze in this eye-popping, red, strapless number.

Opting for a more relaxed look, Megan shows off her cool-kid style and her love of Mötley Crüe at 'Juno''s Hollywood premiere on December 3, 2007.

The sultry siren shows off her gorgeous gams in a tiny, white dress at the 2008 MTV Movie Awards in Los Angeles.

The sexy celeb shows off her bodacious bod in a funky, cherry red concoction during a Spike TV event in 2008.

Megan dons a gold and glam minidress to the 2009 MTV Movie Awards.

The queen of sizzle pops in this sexy, purple creation during the Japanese premiere of 'Transformers: Revenge of the Fallen' on June 8, 2009.

The dark beauty casts a spell at the 'Transformers: Revenge of the Fallen' UK premiere on June 15, 2009 in London.

Megan opts for a hot-pink number for the 'Transformers: Revenge of the Fallen' premiere in Moscow on June 17, 2009.

The actress attended Comic-Con 2009 to promote her film 'Jennifer's Body' on July 23, 2009

Megan won the award for Choice Hottie at the "2009 Teen Choice Awards" on Aug. 9, 2009.

The actress wore a sexy, little black dress when she attended the Toronto International Film Festival Midnight Madness screening of 'Jennifer's Body'
on September 10, 2009 in Toronto, Canada.

Megan Fox and future husband Brian Austin Green arrive at the GQ Men of the
Year party held at the Chateau Marmont Hotel on November 18, 2008 in
Los Angeles.

Megan Fox dons a stunning mint-green, halter top ensemble at the celebration of the 50th
Anniversary of the Jaguar E-Type on April 20, 2011
in New York City.

Megan Fox is pretty in a pink Armani gown at the 68th Annual Golden Globe Awards on January 16, 2011 in Beverly Hills,
CA.

Megan Fox shows off her tatt at the 'Passion Play' premiere during the 35th Toronto International Film Festival on September
10, 2010 in Toronto, Canada.

The actress attended a 'Jennifer's Body' Hot Topic event in Hollywood on Sept. 16, 2009. In the film, Jennifer (Fox) is overtaken by a demon and begins to eat her male high school classmates.

On Sept. 9, 2011, the actress showed up in a jaw-dropping red minidress for the Toast The Cast Of Friends With Kids reception in Toronto, Canada.

Though just as sexy, Fox went for a more demure look at the Los Angeles premiere of This Is 40 on Dec. 12, 2012. 

Megan Fox looked radiant and ready to work while on the set of Teenage Mutant Ninja Turtles on May 7, 2013 in NYC. 

Just a few months after giving birth, Fox was already in her high heels and stripping down for Esquire magazine. 

Fox showed up in a pale, strapless gown for the 70th Annual Golden Globe Awards on January 13, 2013 in Beverly Hills, Calif.

New mom Megan Fox turns 27 today, May 16! Known for her flawless physique, piercing eyes and take-no-prisoners attitude, this Transformers star always turns heads, whether it be on the red carpet, the beach or the streets. Click the pics to check out Fox's most attention-grabbing ensembles (bikinis included) through the years.