#TBT: Megan Fox Through the Years

Megan Fox has gone from teen movie mean girl to "Teenage Mutant Ninja Turtles" leading lady over the past decade. Flip through photos of the gorgeous actress through the years.

David Gallagher date Megan Fox attend 'The Oscar Night Party Sponsored By Children Uniting Nations, The Creative Coalition and Rock The Vote,' raising funds to promote the mentoring of foster children at the House of Blues on March 23, 2003 in West Hollywood, California. (Photo by Jon Kopaloff/Getty Images)

David Gallagher and date Megan Fox arrive at the premiere of 'The Texas Chainsaw Massacre' at the Chinese Theatre on October 15, 2003 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Megan Fox visits the Gap Body booth attends day 4 of Olympus Fashion Week Spring 2006 at Bryant Park September 12, 2005 in New York City. (Photo by Katy Winn/Getty Images)

Cosmopolitan Magazine's 40th Birthday Party Celebration

Actress Megan Fox attends Cosmopolitan magazine's 40th birthday party celebration on September 22, 2005 in New York City. (Photo by Peter Kramer/Getty Images)

CULVER CITY, CA - OCTOBER 17: Actress Megan Fox poses backstage at the Tart Spring 2008 fashion show during Mercedes Benz Fashion Week held at Smashbox Studios on October 17, 2007 in Culver City, California. (Photo by Michael Buckner/Getty Images for Tart)

Actress Megan Fox poses in the press room at the 66th Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 11, 2009 in Beverly Hills, California. AFP PHOTO/JEWEL SAMAD (Photo credit should read JEWEL SAMAD/AFP/Getty Images)

LONDON, ENGLAND - JUNE 15: Megan Fox and Shia LaBeouf attend the UK Premiere of Transformers: Revenge of the Fallen at Odeon Leicester Square on June 15, 2009 in London, England. (Photo by Tim Whitby/Getty Images)

UNIVERSAL CITY, CA - AUGUST 09: Actress Megan Fox poses with the Choice Hottie Award in the press room during the 2009 Teen Choice Awards held at Gibson Amphitheatre on August 9, 2009 in Universal City, California. (Photo by Jason Merritt/Getty Images)

HOLLYWOOD - JUNE 17: Actress Megan Fox arrives at premiere of Warner Bros. 'Jonah Hex' held at ArcLight Cinema's Cinerama Dome on June 17, 2010 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

BEVERLY HILLS, CA - JANUARY 13: Actress Megan Fox arrives at the 70th Annual Golden Globe Awards held at The Beverly Hilton Hotel on January 13, 2013 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)

NEW YORK, NY - AUGUST 06: Megan Fox Visits 'The Tonight Show Starring Jimmy Fallon' at Rockefeller Center on August 6, 2014 in New York City. (Photo by Theo Wargo/NBC/Getty Images for 'The Tonight Show Starring Jimmy Fallon')

SYDNEY, AUSTRALIA - SEPTEMBER 07: Megan Fox arrives at the Sydney Premiere of 'Teenage Mutant Ninja Turtles' at The Entertainment Quarter on September 7, 2014 in Sydney, Australia. (Photo by Don Arnold/Getty Images)

Actors Megan Fox (L) and Brian Austin Green attend Ferrari Celebrates 60 Years In America on October 11, 2014 in Los Angeles, California. (Photo by Jonathan Leibson/Getty Images for Ferrari North America)