Celebrities on their very first red carpets -- Try not to laugh!

Eva Mendes Wore a $6 Dress to Her First Red Carpet

Celebrities get a ton of perks, like free designer garb and beauty experts on hand to keep them in tip-top, photo-ready shape. But before they reached blockbuster fame or multiple-platinum fortune, stars were nabbing their first gigs and walking their first red carpets -- sans glam squad.

We tracked down the celebrities' first photographed red carpets -- and while some up and comers look exactly the same, a lot has definitely changed for many Hollywood mainstays who have been around for what feels like forever. Seriously, Eva Mendes wore a $6 dress. (Watch the video above to learn more about her surprising fashion choice.)

Click through the slideshow below to see an array of stars like The Rock, Rihanna and Meryl Streep on their very first red carpets. Full warning: It may be hard to contain your giggles.

Celebrities on their first red carpets
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Celebrities on their very first red carpets -- Try not to laugh!

Khloe, Kourtney, Kim and Rob Kardashian walked the red carpet as teens with their mom and stepdad.

 (Photo by Ron Galella, Ltd./WireImage)

Kendall Jenner may be a major supermodel today, but she was just an adorable tot with a bowlcut on her first red carpet with mom and dad. 

(Photo by Ron Galella, Ltd./WireImage)

Back in 2005, Rihanna stepped out in baggy jeans, an ab-flashing cropped halter top and a bodychain. Save for a few tweaks, like Pumas instead of Converse Chuck Taylors, this is definitely a look we could see the singer rocking today.

(Photo by Kevin Winter/Getty Images)

Angelina Jolie's first red carpet was with her famous (now estranged) dad, Jon Voight. The then-little girl wore a white lace gown and a string of pearls.

(Photo by Ron Galella/WireImage)

Jennifer Garner walked her first red carpet with her then-husband Scott Foley. The duo looked dmure and understated at the Nickelodeon Kids' Choice Awards in 1999.

(Photo by Ron Galella, Ltd./WireImage)

Reese Witherspoon looked lovely in at the "Pleasantville" premiere in 1998 in a black satin sweetheart midi dress, strappy sandals and a chic updo that looks eerily current. The actress hasn't aged a day!

(Photo by Jim Smeal/WireImage)

Jessica Alba could not have looked more '90s in her burgundy pants, sheer cropped sweater and clunky black sandals at the 1998 premiere of "Apt Pupil."

(Photo by Ron Galella, Ltd./WireImage)

Hello, mullet! We can't blame Julia Roberts for her unfortunate 'do. After all, it was 1985.

(Photo by Ron Galella, Ltd./WireImage)

The Rock was totally feeling himself in his gold lamé pants and matching vest (with nothing underneath) at the 2000 MTV Music Awards, not to mention the sweet shades and gold chains.

(Photo By: Richard Corkery/NY Daily News via Getty Images)

Sandra Bullock looked absolutely adorable in 1993 at the "Demolition Man" premiere in a sleek black gown with bell sleeves. Love the bob!

(Photo by Ron Galella/WireImage)

American actor Clint Eastwood with his first wife Maggie Johnson at the opening night of an 'Ice Capades' skating show, USA, circa 1960. (Photo by Joe Shere/Archive Photos/Getty Images)
Ben Affleck with photographers in background; circa 1990; New York. (Photo by Art Zelin/Getty Images)
Leonardo DiCaprio & his mom during Whats Eating Gilbert Grape Premiere in Los Angeles, California. (Photo by Barry King/WireImage)
Jennifer Aniston and Charlie Schlatter in Los Angeles, California (Photo by Barry King/WireImage)
LOS ANGELES - APRIL 7: Actress Mary Beth McDonough, actor George Clooney and girlfriend actress Talia Balsam attend the First Annual Singers' Salute to the Songwriter on April 7, 1986 at Dorothy Chandler Pavilion, Music Center in Los Angeles, California. (Photo by Ron Galella, Ltd./WireImage)
BEVERLY HILLS, CA - SEPTEMBER 15: Actor George Clooney attends the Amnesty International's 25th Anniversary Celebration on September 15, 1986 at the Beverly Hilton Hotel in Beverly Hills, California. (Photo by Ron Galella, Ltd./WireImage)
Miley Cyrus (Photo by Jesse Grant/WireImage)
Carrie Underwood (Photo by Gregg DeGuire/WireImage for Fox Television Network)
LONDON - NOVEMBER 4: Actress Emma Watson attends the world premiere of the first Harry Potter film, 'Harry Potter and the Philosopher's Stone' at the Odeon Leicester Square, London, November 4, 2001. (Photo by Jon Furniss/Getty Images)
Chris Pratt in Tommy Hilfiger (Photo by Albert L. Ortega/WireImage)
Zac Efron and Kay Panabaker (Photo by Jeffrey Mayer/WireImage)
Taylor Swift (Photo by Frank Mullen/WireImage)
Britney Spears (Photo by Jeff Kravitz/FilmMagic)
NEW YORK -JAN 1: Austrian-American actor, politician, businessman and former professional body builder Arnold Schwarzenegger attending a party for the opening of the movie 'Pumping Iron' on the Upper East side in January, 1977 in New York City. (Photo by Waring Abbott/Getty Images)
Tori Spelling, Candy Spelling, Aaron Spelling, and Randy Spelling at the Santa Monica Civic Center in Santa Monica, California (Photo by Ron Galella, Ltd./WireImage)
Tori Spelling (Photo by Jeff Kravitz/FilmMagic)
Courtney Love (Photo by Kevin Mazur/WireImage)
Amanda Bynes (Photo by Jeff Kravitz/FilmMagic)
Channing Tatum (male model and star of the new Mountain Dew commercial) backstage (Photo by Gregory Pace/FilmMagic)
Drew Barrymore (Photo by Tom Wargacki/WireImage)
WESTWOOD, CA - MARCH 11: Actor Kurt Russell, son Boston Russell, step-daughter Kate Hudson and son Wyatt Russell attend the 'Executive Decision' Westwood Premiere on March 11, 1996 at Mann Village Theatre in Westwood, California. (Photo by Ron Galella, Ltd./WireImage)
Gilda Radner and Bill Murray (Photo by Ron Galella/WireImage)
Will Smith and DJ Jazzy Jeff (Photo by Barry King/WireImage)
Adam Sandler during Adam Sandler at 'Saturday Night Live' Season Kick-Off Party at Rockefeller Plaza in New York City, New York, United States. (Photo by Ron Galella/WireImage)
Pamela Anderson And Jon Peters at the Cineplex Odeon in Century City, California (Photo by Jim Smeal/WireImage)
Mark Wahlberg (Photo by Jim Smeal/WireImage)
Actor Robert Downey, Jr. and actress Sarah Jessica Parker attend the screening of the CBS Television Movie 'Going for the Gold: The Bill Johnson Story' on May 1st 1985 in Los Angeles, California. (Photo by Kypros/Getty Images)
Alexis Stewart and Martha Stewart (Photo by Ron Galella/WireImage)
Jessica Simpson (Photo by Jeff Kravitz/FilmMagic)
Melissa Gilbert and Rob Lowe (Photo by Ron Galella, Ltd./WireImage)
Tom Dumont, Tony Kanal, Gwen Stefani, and Adrien Young of No Doubt (Photo by Ron Galella/WireImage)
Adam Levine of Maroon 5 during Z100's Zootopia 2004 at Madison Square Garden in New York City, New York, United States. (Photo by Gregory Pace/FilmMagic)
Madonna at the Shrine Auditorium in Los Angeles, California (Photo by Ron Galella/WireImage)
Blake Lively (Photo by Jeff Kravitz/FilmMagic)
Selena Gomez (Photo by Gregg DeGuire/WireImage)

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