Jordan On MTV's 'The Hills' 'Memba Him?!

American reality television star Jordan Eubanks was just 21 years old when he was cast to be a part of "The Hills" -- MTV's hit reality show, first airing in 2006 and taking place in Los Angeles, California.

Jordan contributed to the series' drama along with narrator and star Lauren Conrad as the fashion student who journeyed from Laguna Beach to Los Angeles, Heidi Montag as Lauren's bubbly bestie and party girl, Spencer Pratt as Heidi's 'bad boy' boyfriend and Whitney Port as Lauren's work buddy at Teen Vogue.

Guess what he looks like today at 37 years old!

Harvey In 'Sabrina The Teenage Witch' 'Memba Him?!

American actor and musician Nate Richert was just 18 years old when he started playing Harvey -- the on-again, off-again boyfriend and a usual victim of Sabrina's spells -- on the 1996-2003 sitcom "Sabrina the Teenage Witch."

Nate was cast alongside Melissa Joan Hart as the welcoming, generous and funny teenage witch, Sabrina, Beth Broderick as one of the sisters and witches who took in Sabrina, Ciocia Zelda, Caroline Rhea as the other sister and witch who looked after Sabrina, Hilda Spellman and Nick Bakay as the 500-year-old witch disguised as a black cat, Saberhagen.

Guess what he looks like today at 44 years old!

Pop Band 'Hanson' 'Memba Them?!

The pop rock band 'Hanson' emerged on the music scene back in the early 90s and has continued to captivate their fans for decades. Their 1997 hit song "MMMBop" put the stamp on their success and fame.

'Hanson' consists of brothers Isaac Hanson, Taylor Hanson and Zac Hanson. All three of the bros sing and share instrument duties including guitar, drums, bass and piano. Their 1997 album "Middle of Nowhere," which included the track "MMMBop," scored three Grammy nominations and hit the top of the music charts all over the world.

'Mmmbop, oh yeah!'

Guess what they look like now!

Kendall & Kylie's Nanny In Season 1 of 'KUWTK' 'Memba Her?!

American actress, adult film star and model Bree Olson was just 20 years old when she was hired as the nanny for youngsters Kendall and Kylie Jenner on Season 1 of "Keeping Up With The Kardashians" back in 2007.

During the first season of KUWTK, Bree was accompanied by Kim Kardashian who was just getting her toes wet, Kourtney Kardashian and Khloe Kardashian who ran the family's clothing stores "DASH" and "Smooch," Rob Kardashian who was finishing up college, Caitlyn Jenner was on carpool duty and Kris Jenner who was playing 'Momager' for her daughters.

Guess what she looks like now!

The Silent Bella In 'Pitch Perfect' 'Memba Her?!

Comedian and actress Hana Mae Lee was 23 years old when she was cast as Lilly Onakuramara -- the beatboxing Bella who barely speaks in her college acapella group -- in the 2012 rom-com 'Pitch Perfect.'

Hana shared the Pitch Perfect trilogy stage with fellow Barden Bellas Anna Kendrick as the rebellious and talented Bella, Beca, Rebel Wilson as the confident and encouraging Bella, Fat Amy, Brittany Snow as the caring and affectionate Bella, Chloe, Anna Camp as the uptight and conservative Bella, Aubrey and Elizabeth Banks as one of the sarcastic commentators, Gail.

Guess what she looks like now!

Sun Baby on 'Teletubbies' 'Memba Her?!

England native and actress Jessica Smith was barely one-year-old when she was cast as the original Sun Baby -- the shining Teletubby that innocently giggles at other fellow Teletubbies and gets excited during Magic Events -- from 1997 to 2001 in the show 'Teletubbies.'

Jessica's baby voice was accompanied by the Teletubby voices of Nikky Smedley as Laa-Laa, Simon Shelton as the oldest and tallest Teletubby, Tinky-Winky, Jon Simmit as the sarcastic and often stubborn Teletubby, Dipsy and Pui Fan Lee as the smart and silly Teletubby, Po.

Guess what she looks like today in her mid 20's!

Smith Jerrod In 'Sex And The City' 'Memba Him?!

American actor Jason Lewis was 32 years old when he was cast as Smith Jerrod -- a rising actor who eventually makes his big break and falls in love with Samantha Jones -- in HBO's "Sex And The City."

Jason was accompanied by fellow castmates Sarah Jessica Parker as Carrie Bradshaw, Kim Cattrall as Public Relations executive, Samantha Jones, Kristin Davis as art gallerist, Charlotte York, Cynthia Nixon as corporate lawyer Miranda Hobbes and Chris Noth as entrepreneur and financier, Mr. Big.

Jason also reprised his role in both "Sex And The City" films.

Guess what he looks like today at 51 years old!

Medium At 'RHOBH' Dinner Party From Hell 'Memba Her?!

American medium and psychic Allison DuBois was 38 years old when she lit up her electric cigarette and sparked up the verbal brawl on season one of "The Real Housewives of Beverly Hills."

Accompanying Allison to the 'Dinner Party From Hell' included the leader of the pack, Kyle Richards, Kyle's partner in crime, Faye Resnick, the intelligent restaurateur, Lisa Vanderpump and the 'queen of Malibu,' Camille Meyer (formerly known as Camille Grammer).

Allison's professional success landed her the television mystery series 'Medium,' starring Patricia Arquette which ran for 7 seasons.

Guess what she looks like today at 50 years old!

Judy Spears In 'How To Lose A Guy In 10 Days' 'Memba Her?!

American actress and fashion designer Michael Michele was 36 years old when she was cast as Judy Spears -- the smart and sassy advertising representative who mysteriously attempts to humiliate and set up her coworker -- in the 2003 romance/comedy film "How To Lose A Guy in 10 Days."

Michael shared the big screen with big stars including Kate Hudson as the independent and intelligent journalist, Andie Anderson, Matthew McConaughey as the hot advertising guy, Benjamin Barry, Kathryn Hahn as the desperate girlfriend, Michelle Rubin and Adam Goldberg as one of Ben's sidekicks, Tony.

Guess what she looks like now!

Gary In 'What I like About You' 'Memba Him?!

Los Angeles native and actor Wesley Jonathan was 23 years old when he was cast as Gary Thorpe -- the blunt guy who gives his friends harsh advice but is an overall loyal friend -- in the 2002-2006 sitcom series 'What I like About You.'

Wesley was cast alongside Jennie Garth as the detail-oriented and organized older sister, Valerie Tyler, Amanda Bynes as the confident girl with a know-it-all personality, Holly Tyler, Leslie Grossman as the superficial gal trying to impress her boss, Lauren and Nick Zano as the laidback bike messenger, Vince.

Guess what he looks like now at 43 years old!

Reporter Denise in 'White Chicks' 'Memba Her?!

New York City local Rochelle Aytes was 28 years old when she was cast as Denise Porter -- a local New York news reporter, reporting at a charity fashion show in The Hamptons -- in the 2004 Comedy "White Chicks."

Rochelle shared the big screen with comedy brothers Shawn Wayans as Agent Kevin Copeland ... and Brittany Wilson, and Marlon Wayans as Agent Marcus Copeland .. and as Tiffany Wilson, Busy Philipps as the dancing and love-seeking friend, Karen and Terry Crews as the muscular pro-basketball player and lip singer, Latrell Spencer.

Guess what she looks like today at 46 years old!

'American Pie' Singer Don McLean 'Memba Him?!

American singer and songwriter Don McLean was just 26 years old when he released his hit song "American Pie" -- the eight-and-a-half minute track that is commonly associated with national pride and patriotism -- back in 1971.

The song's success has led to many other iconic musicians renditioning the classic, including John Mayer, Madonna, Jon Bon Jovi, Dolly Parton and Garth Brooks ... not to mention, "American Pie" was steadfast on numerous music charts for decades!

"Bye-Bye, Miss American Pie."

Guess what he looks like today at 76 years old?

Little Girl Sophie From 'The Holiday' 'Memba Her?!

U.K. native and actress Miffy Englefield was just 7 years old when she was cast as Sophie -- one of the sweet daughters who is seeking a mother figure -- in the 2006 romance/comedy film "The Holiday."

Miffy shared the big screen with A-listers Cameron Diaz as the successful movie trailer business owner, Amanda, Jude Law as the sensitive and romantic book editor and widower, Graham, Kate Winslet as the intelligent society columnist for 'The Daily Telegraph' in London, Iris and Jack Black as the loyal movie composer, Miles.

Guess what she looks like today at 23 years old!

Daddy's Girl, Veruca, in Willy Wonka 'Memba Her?!

English actress and singer Julie Dawn Cole was just 13 years old when she was cast as Veruca Salt -- the spoiled and greedy daughter who demands everything 'now' and the second person to discover the Golden Ticket -- in the 1971 classic film "Willy Wonka and the Chocolate Factory."

Julie shared the big screen with the late Gene Wilder as the colorful and gleeful Willy Wonka, Peter Ostrum as the sweet and humble, Charlie Bucket and Denise Nickerson as the selfish and vain gal, Violet Beauregarde.

"I want it now!"

Guess what she looks like today at 64 years old!

Laura-Leigh From 'Vanderpump Rules' 'Memba Her?!

American actress Laura-Leigh was 22 years old when she was cast to be a part of 'Vanderpump Rules' -- Bravo's hit reality show, first airing in 2013, led by the one and only restaurateur and television personality Lisa Vanderpump.

Laura-Leigh served crispy chicken sandwiches and fried goat cheese balls with some of television's most dramatic stars including Stassi Schroeder, LaLa Kent, Jax Taylor, Tom Sandoval, Tom Schwartz, Scheana Shay, Kristen Doute and Katie Maloney.

Laura-Leigh left the show after one season when she booked a role in "We're The Millers" starring Jennifer Aniston.

Guess what she looks like today!

Harper Finkle In 'Wizards of Waverly Place' 'Memba Her?!

American actress Jennifer Stone was just 14 years old when she was cast as Harper Finkle -- the rule-follower and intelligent student who makes her own clothing -- in Disney's 2007-2012 teen sitcom "Wizards of Waverly Place."

Stone was cast alongside Selena Gomez as the mischievous and sometimes rude middle child and wizard, Alex Russo, David Henrie as Alex's smart, hardworking brother and wizard, Justin Russo, Jake T. Austin as the Russo-kid whose magic often leads to trouble, Max Russo and Gregg Sulkin as Alex's charming and laidback boyfriend, Mason Greyback.

Guess what she looks like today at 29 years old!