Dennis The Elevator Tenant In 'Pretty Woman' 'Memba Him?!

American actor Patrick Richwood was 27 years old when he was cast as Dennis -- the sweet, nerdy and sprucely dressed elevator tenant -- in the classic 1990 romantic comedy "Pretty Woman."

Richwood shared the big screen with A-list actors including Richard Gere as the successful millionaire businessman, Edward Lewis, Julia Roberts as the lady of the night who turned into the ultimate love interest, Vivian Ward and Jason Alexander as the creepy lawyer, Philip Stuckey.

Almost a decade after playing the elevator tenant, Patrick took on a role in "Runaway Bride" -- another Richard Gere and Julia Roberts classic!

Guess what he looks like now!

'American Idol' Judge Kara DioGuardi 'Memba Her?!

American songwriter and record producer Kara DioGuardi was in her late 30s when she was a judge on the popular singing competition show "American Idol" back in 2010 -- and made headlines when she flashed her bikini bod during the season 8 finale.

Sitting smack-dab in the middle of Simon Cowell, Randy Jackson and Paula Abdul ... DioGuardi's time on "American Idol" came to an end after season 9, but she continued to make moves ... like signing Jason Derulo and landing herself as head judge on Bravo's singing competition show "Platinum Hit" in 2011.

Guess what she looks like now!

3 Time Olympian John Roethlisberger 'Memba Him?!

American gymnast and 3-time Olympian John Roethlisberger was 22 years old when he first represented Team USA at the 1992 Barcelona Olympics -- and later qualified for the Summer Games in Atlanta (1996) and Sydney (2000).

John comes from a long line of family gymnasts including his father, Fred Roethlisberger, who was a member of the 1968 Olympics gymnastics team, and his sister, Marie Roethlisberger, was an alternate for the 1984 Olympic gymnastics team -- where Mary Lou Retton made history!

After retiring, John started an annual summer Gymnastics Camp and is a correspondent for the 2024 Paris Olympics.

Guess what he looks like now!

Olympic Sprinter Cathy Freeman 'Memba Her?!

Aboriginal Australian sprinter Cathy Freeman was in her early 20s when she sprinted her way to the top of the leaderboard at the Summer Atlanta Olympics back in 1996 -- and making a triumphant return four years later to the 2000 Summer games in Sydney.

Freeman specialized in the 400 meter event with a personal best of 48.63 seconds, which to this day still ranks her as the eighth fastest woman of all time. And at the 2000 Olympics, she took the crown for her 400 meter specialty and lit the Olympic Flame!

Guess what she looks like now in her 50s!

Trinity In 'The Matrix' 'Memba Her?!

Canadian actress Carrie-Anne Moss was in her early 30's when she first started playing Trinity -- the butt-kicking babe and computer hacker who tricks humans into thinking they're in reality -- in the sci-fi film "The Matrix" back in '99.

Carrie-Anne shared the action-packed film with Keanu Reeves as the quiet computer hacker who grew up in The Matrix, Neo, Laurence Fishburne as the intense, captain of the large flying ship (the Nebuchadnezzar), Morpheus and Hugo Weaving as the robotic and emotionless, Agent Smith.

She also starred in the 2000 thriller film "Memento" with Guy Pearce.

Guess what she looks like now!

First Perfect 10.0 Gymnast Nadia Comaneci 'Memba her?!

Romanian gymnast Nadia Comaneci was only 14 years old when she skyrocketed to stardom after becoming the first gymnast to score a perfect 10.0 at the 1976 Montreal Olympic Games.

In addition to her perfect-scoring status, the gymnastics icon scored six MORE perfect 10s and grabbed 3 gold medals. To no surprise -- but extremely difficult to do so -- she qualified for her 2nd games in 1980, taking 2 more gold medals and two 10.0s back to Romania.

Today, she's still recognized and respected as a gymnastics legend and continues to use her platform for leadership roles.

Guess what she looks like now!

Gabby Adler In 'It's Complicated' 'Memba Her?!

American actress Zoe Kazan was in her mid-20s when she played Gabby Adler -- the middle Adler child, obsessed with texting and still struggling with her parents' divorce -- in the 2009 Rom-Com film "It's Complicated."

Zoe shared the big screen with Hollywood greats like Meryl Streep who played Gabby's divorced mother and exquisite baker, Jane, Alec Baldwin as Gabby's father and successful attorney who attempts to rekindle things with his ex-wife, Jake, and Steve Martin as the architect and Jane's love interest, Adam.

Other worthy cast mentions include John Krasinski and Lake Bell.

Guess what she looks like now!

'TRL Host' Damien Fahey 'Memba Him?!

Television host Damien Fahey was 22 years old when he shot to stardom hosting the afternoon MTV video countdown show "Total Request Live" after Carson Daly stepped down back in 2002.

He worked alongside popular and fellow 'TRL' hosts Vanessa Lachey and Lala Anthony and interviewed big celebs like Madonna and Vanessa Carlton!

While his 'TRL' run came to an end in 2008, his career continued to soar ... In 2009, he hosted "I'm a Celebrity...Get Me Out of Here" featuring controversial celebs at the time, Heidi Montag and Spencer Pratt.

Guess what he looks like now!

'Chocolate Rain' Singer Tay Zonday 'Memba Him?!

American YouTuber Tay Zonday was 25 years old when he rose to fame -- and made national TV appearances -- after his bizarre original song "Chocolate Rain" went viral back in 2007.

Tay's popularity landed him on hit shows like "Jimmy Kimmel Live!" "Tosh.0" and even scored the front covers for popular magazines like People and The Los Angeles Times.

Almost 20 years later, the YouTube video has accumulated 138 million views, and Tay -- who has over 1 million subscribers -- is still creating original content!

"Chocolate rain, history quickly crashing through your veins!"

Guess what he looks like now at 42 years old!

'Miss Texas' In 'Miss Congeniality' 'Memba Her?!

American actress Deirdre Quinn was in her late 20s when she played Mary Jo Wright AKA "Miss Texas" -- the southern belle representing her home state at the Miss United States beauty pageant -- in the 2000 comedy/action film "Miss Congeniality."

Deirdre shared the big screen with Sandra Bullock as the scraggly FBI agent turned beauty queen, Gracie Lou Freebush, Benjamin Bratt as the handsome swaggy FBI agent who has goo-goo eyes for Gracie, Eric, and Heather Burns as the naive baton twirler and "Miss Rhode Island," Cheryl.

Guess what she looks like now in her early 50s! 

Max In '90210' 'Memba Him?!

American actor Josh Zuckerman was in his mid-20s when he first started playing Max Miller -- the intelligent technological entrepreneur and Naomi's hubby -- in the 2011 CW remake of the "90210" series.

Josh was part of an ensemble cast including AnnaLynne McCord as the wealthy and popular party planner, Naomi, Shenae Grimes as the bubbly and pure-hearted gal from Kansas who moved to Beverly Hills for high school, Annie and Matt Lanter as the troubled and handsome bartender, Liam.

Josh also had roles in "Sex Drive," "Kyle XY" and "Desperate Housewives."

Guess what he looks like now!

Fabienne In 'Pulp Fiction' 'Memba Her?!

Portuguese actress Maria de Medeiros was 28 years old when she was cast as Fabienne -- Butch's innocent and adorable girlfriend who loves her blueberry pancakes -- in the crime/thriller film "Pulp Fiction" back in 1994.

Maria shared the big screen with Bruce Willis as the professional hotheaded boxer, Butch Quentin Tarantino as the smooth talker who helps dispose of Marvin's dead body, Jimmie and John Travolta as the hitman in the spruce suit, who enjoys the finer things in life, Vincent.

Other worthy mentions include Samuel L. Jackson as Jules and Uma Thurman as Mia.

Guess what she looks like now! 

Dwayne In 'A Different World' 'Memba Him?!

American actor Kadeem Hardison was in his early 20s when he first started playing the lovable nerd Dwayne Wayne -- known for his flip-up shades -- in the long-running college comedy "A Different World" back in 1987.

Joining Kadeem on set included Jasmine Guy as the spoiled art buyer who eventually marries Dwayne, Whitley, Darryl M. Bell as the musician and Dwayne's roommate and best friend, Ron and Charnele Brown as Whitley's roommate who cozies up to Ron, Kimberly.

Other big stars on the show included Lisa Bonet and Jada Pinkett Smith.

Guess what he looks like now!

Jasmine In 'Grown Ups' 'Memba Her?!

American actress Madison Riley was 20 years old when she was cast as Jasmine Hilliard -- Rob's hot daughter who provides eye candy during a 4th of July reunion for her Dad's middle school buddies -- in Adam Sandler's comedy film "Grown Ups" back in 2010.

Joining Madison at the lake included Rob Schneider as Jasmine's Dad with several failed marriages, Rob Hilliard, Kevin James who loves Kentucky Fried Chicken and his family, Eric, David Spade as being the cool kid turned poor Bachelor, Marcus and Chris Rock as the stay-at-home Dad, Kurt.

And, of course ... Adam Sandler played the rich Hollywood agent with the hot wife, Lenny.

Other worthy cast mentions include Salma Hayek and Maya Rudolph.

Guess what she looks like now!

Sarah Walker On 'Chuck' 'Memba Her?!

Australian actress Yvonne Strahovski was in her early 20's when she first started playing Sarah Walker -- the sexy secret agent who's obsessed with her job and protecting Chuck -- in the spy comedy-drama series "Chuck" back in 2007.

Yvonne was part of an ensemble cast including Zachary Levi as the nerdy electronics supervisor who loves video games, Chuck, Joshua Gomez as Chuck's loyal best friend and the Buy More Store Manager, Morgan and Adam Baldwin as Sarah's arrogant CIA partner, John.

In 2012 and 2013, Yvonne played Hannah McKay in the drama series "Dexter."

Guess what she looks like now!

Marty Maraschino In 'Grease' 'Memba Her?!

American actress Dinah Manoff was 21 years old when she rock n' rolled on the movie set of  "Grease" -- playing one of the iconic Pink Ladies, Martina Maraschino AKA "Marty" -- back in 1978.

Dinah shared the big screen with Hollywood legends like John Travolta as the hot and suave leader of the T-Birds, Danny Zuko, Olivia Newton-John as the new and naive girl at school, Sandy and Michael Tucci as Marty's silly, goofy boyfriend and part of the T-Birds.

Other honorable cast mentions include Stockard Channing as Rizzo and Didi Conn as Frenchy.

"You're the One That I Want!"

Guess what she looks like now!