'Darrin's Dance Grooves' 'Memba Him?!

Bronx-based choreographer Darrin Henson was in his mid-30s when he switched roles ... from the guy behind the camera credited with creating some of the best moves in the music industry ... to the instructor on the wildly popular how-to dance DVD's "Darrin's Dance Grooves" back in 2001.

Before his grooves were printed on his signature dance series, Darrin was responsible for the choreography for some of the biggest names in pop including Britney Spears, The Spice Girls and NSYNC.

Darrin can still be spotted on-screen with roles on television shows like "The Family Business" and "Double Cross."

Guess what he looks like now at 55 years old!

BFF Serena in 'Legally Blonde' 'Memba Her?!

Los Angeles local Alanna Ubach was only 25 years old when she was cast as the loyal brunette best friend and sorority sister Serena McGuire -- who lived alongside Elle at the Delta Nu house and supported her sister in her legal endeavors -- in the 2001 classic comedy "Legally Blonde" and the 2003 follow film "Legally Blonde: Red, White & Blonde."

Alanna shared the big screen role with some other awesome actors including Selma Blair as Warner's old/new girlfriend, Vivian ... and of course Reese Witherspoon as the law school success, Elle Woods.

Ubach has widened her scope to an impressive career in voiceover work on animated entertainment like "Puppy Dog Pals" and "Monsters At Work."

Guess what she looks like two decades later!

Britney's Paparazzi BF Adnan Ghalib 'Memba Him?!

United Kingdom cameraman Adnan Ghalib was thrust into the limelight in late 2007 after he went from being behind the lens as one of the regular paparazzi swirling in Britney Spears' orbit ... into Brit's new mystery boyfriend in early 2008.

Complete with highly adorned Affliction shirts, on-trend Ed Hardy trucker hats and a signature flavor-saver strip of hair down the middle of his chin ... Adnan seemed inseparable from Britney Spears shortly after she split from Kevin Federline.

The Brit and Britney were often photographed driving aimlessly up and down Sunset Blvd, strutting hand in hand on Starbucks runs and even the occasional shopping spree for shutterbugs.

AG now lives a pretty private life that includes sharing sporadic shirtless pics on social media.

Guess what he looks like now!

Amy in 'Waiting...' 'Memba Her?!

Los Angeles native Kaitlin Doubleday was only 20 years old when she was cast as the hot girlfriend and server Amy Presley -- who waits tables with a rag-tag group of misfits at Shenanigans -- in the 2005 funny film 'Waiting..."

The dining dramady was filled with huge stars on the rise including Justin Long as the apprehensive junior college server, Dean Saunders, Anna Farris as the fast-talking hottie, Serena Vowles, Ryan Reynolds as the coolest guy at Shenanigans, Monty Cook ... and of course John Francis Daley as the soft-spoken trainee-turned-GOAT, Mitch Haim.

Since her role in the restaurant comedy KD can be spotted on some major TV roles including "Empire" and "Nashville."

Guess what she looks like now in her late 30s!

Kelly Wiglesworth on 'Survivor' 'Memba Her?!

California-native Kelly Wiglesworth was only 23 when she was cast as the white-water rafting guide turned island castaway on the very first season of the reality competition show "Survivor: Borneo" back in 2000.

Wiglesworth was the runner-up of the OG 'Survivor' season losing out on her chance at the one million dollar prize to Richard Hatch who has been credited for creating alliances and gameplay within tribes that made the show what it is today.

KW returned for another run at the prize money on "Survivor: Cambodia" but was voted out 9th.

Guess what Kelly looks like now at 44 years old!

Victoria on 'Twilight' 'Memba Her?!

Canadian actress Rachelle Lefevre was in her 20's when she landed the role of the rebel vampire Victoria -- who plots to kill Bella after her coven leader James is destroyed -- in the 2008 fantasy film "Twilight" and the 2009 sequel "The Twilight Saga: New Moon."

Lefevre shared the screen with her coven cast including Edi Gathegi as the "vegetarian" vampire, Laurent ... and of course Cam Gigandet as the bloodthirsty leader, James.

In a surprise switch-up, Rachelle Lefevre was replaced in the final film "The Twilight Saga: Eclipse" by Bryce Dallas Howard.

Guess what she looks like two decades later!

The Bangles Singer Susanna Hoffs 'Memba Her?!

Los Angeles local Susanna Hoffs was in her 20s when her life changed forever after her pop-rock band The Bangles released their sophomore album Different Light back in 1986 ... which featured the standout singles "Manic Monday," "If She Knew What She Wants" ... and the number one jam "Walk Like An Egyptian."

In their heyday, The Bangles was also comprised of other rocking artists including Vicki Peterson on lead guitar and vocals, Michael Steele (aka Micki Steele of The Runaways) on bass and backup vocals and Debbi Peterson on the drums.

Guess what Susanna Hoffs looks like now in her 60s!

Sgt. Callahan in 'Police Academy' 'Memba Her?!

Nebraska native Leslie Easterbrook was in her 30s when she landed the role as the sexy blonde Sergeant Callahan -- whose buxom bod is only matched by her serious school attitude towards the incoming cadets -- in the classic cop comedy "Police Academy" ... and the decade worth of sequels to follow!

The iconic funny films were also home to some other notable actors including Bubba Smith as the hilarious Hightower, David Graf as the gun-totting, Tackleberry ... and of course Steve Guttenberg as the troublemaking, Mahoney.

In the '80s Easterbrook could also be spotted on some big-name TV shows including "Laverne & Shirley" and "Ryan's Hope."

Guess what she looks like now in her 70s!

Carey Martin On 'Suite Life Of Zack & Cody' 'Memba Her?!

Oregon born artist Kim Rhodes was in her 30s when she landed the role of the melodic matriarch Casey Martin -- who had double duty as the mother to the twin boys and was also the Boston Tipton Hotel's lounge singer -- on the early 2000s Disney Channel sitcom, "The Suite Life Of Zack & Cody" and the 2008 follow-up "The Suite Life On Deck."

KR shared the small screen with some top-notch talent including Ashley Tisdale as the sweets-slanging, Maddie Fitzpatrick, Brenda Song as the hotel heir, London Tipton ... and of course, Dylan and Cole Sprouse as her adorable sons Zack and Cody Martin.

Guess what she looks like now in her 50s!

Michel Gerard on 'Gilmore Girls' 'Memba Him?!

Canadian-born artist Yanic Truesdale is best known for playing the crotchety concierge Michel Gerard -- who graced the Independence Inn with his French finesse and deranged dietary drama -- on The WB's classic American dramedy "Gilmore Girls."

Yanic Truesdale shared the small screen with a cool cast of characters including Melissa McCarthy as the bossy business partner and buddy, Sookie St. James, Lauren Graham as the hotel owner and mother, Lorelai Gilmore, Keiko Agena as Stars Hollow High student and BFF, Lane Kim ... and of course Alexis Bledel as the daughter, Rory Gilmore.

Guess what he looks like now!

Tess Tyler in 'Camp Rock' 'Memba Her?!

Nevada native Meaghan Martin was only 15 years old when she was cast as the popular girl with some serious attitude, Tess Tyler, who bullies the new girl and creates havoc around the song-filled summer camp -- in the 2008 Disney Channel movie "Camp Rock" and the 2010 follow-up film "Camp Rock 2: The Final Jam."

Meaghan Martin shared the rockin' movie with some up-and-coming celebs including Joe Jonas as the vocal dreamboat, Shane Gray, Alyson Stoner as the summer friend, Caitlyn Gellar ... and of course Demi Lovato as the outsider at camp, Mitchie Torres.

Guess what Meaghan Martin looks like now at almost 30 years old!

Jordan Tate on 'Baywatch' 'Memba Her?!

North Cambridge native Traci Bingham was in her 20s when she landed her breakout role as the lifeguard looker Jordan Tate -- who heroically saves beach-goers in distress along the sun-kissed shores of Southern California -- in the later seasons of the iconic slow-mo television show "Baywatch."

Bingham shared the small screen with some top-notch actors including Pamela Anderson as the blonde beach babe, C.J. Parker, Donna D'Errico as the seaside guardian angel, Donna Marco, Jeremy Jackson as the up-and-coming kid, Hobie Buchannon ... and of course David Hasselhoff as the man in charge, Mitch Buchannon.

Guess what she looks like now in her 50s and still in a swimsuit!

Backpack Kid 'Memba Him?!

Georgia native Russell Horning -- or better known as Backpack Kid -- was a young teenager when he began to gain fame for his viral video comprised of original dance moves on social media ... but it wasn't until superstar Rihanna shared BK's vids on Instagram that the young dancer's popularity really caught fire.

Once Backpack Kid's signature dance move The Floss wiggled its way into pop culture the flossy teen was spotted on Saturday Night Live alongside Katy Perry as she performed her 2017 dance single "Swish Swish."

Backpack Kid is now a backpack adult and is focused on his fitness routine.

Guess what he looks like now shirtless and shredded!

Carmen in 'Spy Kids' 'Memba Her?!

Florida native Alexa Vega (now Alexa PenaVega) was only 12 years old when she landed the breakout role as Carmen Cortez -- who teams up with her brother to thwart Floop's evil plans -- in the 2001 family action film "Spy Kids" and the follow-up films "Spy Kids 2: Island Of Lost Dreams" and the 2003 finale "Spy Kids 3-D: Game Over."

The classic kids movie was filled with other notable actors including Antonio Banderas and Carla Gugino as the supportive spy parents, Gregorio and Ingrid Cortez ... and of course Daryl Sabara as the butt-kicking spy bro, Juni Cortez.

Guess what she looks like now at 32 years old!

Fitness Guru Billy Blanks 'Memba Him?!

Pennsylvania native Billy Blanks was only a kid when he began his life-long dedication to martial arts ... but it wasn't until he started selling the wildly popular VHS workout series "Billy Blanks Tae Bo" that his career really started to kick into high gear.

Blanks didn't stop there ... he worked his way into some epic action films including "Lionheart," "Bloodfist," "The Last Boy Scout" and many more!

BB continues to motivate people to get up and move with both in-person training sessions and online workouts like Boom Boxing and even 1-on-1 private lessons.

Guess what he looks like now at 65 years old!

Kit De Luca In 'Pretty Woman' 'Memba Her?!

New Jersey native Laura San Giacomo was fairly new to Hollywood when she landed the role of the street-walking best friend Kit De Luca -- who helps Vivian Ward navigate her way through Bev Hills while mixing business with true love -- in the classic 1990 romantic comedy "Pretty Woman."

The C with some A-list actors including Jason Alexander as the creep lawyer, Phillip Stuckey, Richard Gere as the gentlemanly John, Edward Lewis ... and of course Julia Roberts as the lady of the night and love interest, Vivian Ward.

Laura's career took off with some impressive television roles on some big-name shows including "NCIS," "Saving Grace" and "Just Shoot Me!"

Guess what she looks like now!