Olympic Wrestler Rulon Gardner 'Memba Him?!

Wyoming born wrestler Rulon Gardner inspired the world in 2000 when he traveled to Sydney, Australia to represent Team USA as a heavy-weight Greco-Roman wrestler to compete (and defeat) the unstoppable Russian Aleksandr Karelin in the finals and to take home the gold medal in one of the greatest moments in Olympics history!

That Olympic victory wasn't the most challenging part of Rulon's life ... he also battled through frostbite and hypothermia after a snowmobile accident in 2002 and an airplane crash into a lake in Utah in 2007.

Gardner continues to inspire the world ... but as a motivational speaker!

Guess what Rulon looks like now!

U.S. Gymnast Mary Lou Retton 'Memba Her?!

West Virginia athlete Mary Lou Retton was only 16 years old when she became a household name after she made the American gymnastics team and competed in the 1984 Summer Olympics Games held in Los Angeles ... where MLR took home the gold medal in individual all-around, as well as two silver and two bronze medals.

Retton was part of a power-packed squad of young gymnasts including Pamela Bileck, Tracee Talavera, Kathy Johnson, Michelle Dusserre and Julianne McNamara ... who worked together to win the silver medal in the team all-around.

Guess what Mary Lou Retton looks like now at 53 years old!

Andy Milonakis 'Memba Him?!

New York native Andy Milonakis blasted onto the scene in 2005 with wacky antics, a bizarre hip hop career and viral video moments -- all while confusing audiences with his prepubescent appearance even though he was nearly 30 years old -- that culminated with his MTV sketch comedy program "The Andy Milonakis Show."

Andy went on to find big parts in movies like "Waiting..." and "Mac & Devin Go to High School" ... but he's found much more success doing voice-over work in animated programs like "Adventure Time" and "Future-Worm!"

Guess what he looks like now at 45 years old!

Limp Bizkit Singer Fred Durst 'Memba Him?!

Jacksonville, Florida artist Fred Durst was only 30 years old when he shot to fame as the frontman of the band Limp Bizkit ... and landed at the top of the Billboard Hot 100 charts after they released their 1999 sophomore studio album Significant Other that included the singles "Nookie" and "Break Stuff."

Durst and LB continued to ride their wave of success after they quickly churned out their 2000 follow-up record Chocolate Starfish And The Hot Dog Flavored Water ... which contained "Take A Look Around" and the hard-hitting classic "Rollin'."

Since Limp Bizkit's final album in 2011, Fred has switched gears and now spends his time as an actor and director.

Guess what he looks like two decades later with a full Santa beard!

Elisabetta Canalis 'Memba Her?!

Italian model and actress Elisabetta Canalis was only 30 years old when she became a household name in the U.S. after she was whisked around the world in a 2-year relationship with America's favorite A-lister George Clooney.

Shortly after Canalis and GC split in 2011 Elisabetta took the stage of "Dancing with the Stars" but was quickly eliminated after only two episodes.

Even though she faded from the Hollywood scene and married a doctor in 2014 and had a daughter a year later ... Elisabetta is looking hotter than ever and is still rocking some barely-there bikinis!

Guess what the 42-year-old mom looks like now!

Cassandra in 'Wayne's World' 'Memba Her?!

Hawaiian hottie Tia Carrere was only 25 years old when she rocked her role as the sexy singing girlfriend Cassandra Wong -- who fronts the band Crucial Taunt and is pursued by the slick and sleazy big-wig Benjamin -- in the classic 1992 comedy "Wayne's World" and the 1993 sequel "Wayne's World 2."

TC shared the big screen with some big-named actors including Rob Lowe as the smarmy suit, Benjamin Kane ... and of course Mike Myers and Dana Carvey as the show-hosting best friends Wayne Campbell and Garth Algar.

Before her role in the rock movies Tia could be spotted in over thirty episodes of the TV soap "General Hospital" as Jade Soong in the late '80s.

Guess what she looks like now at 54 years old!

Dick in 'The Rules of Attraction' 'Memba Him?!

Tennessee native Russell Sams was in his mid-twenties when he was cast as the cig smoking trouble-maker Dick -- who disrupts the luncheon with Paul and their uptight moms with his loud antics and crude conversations -- in Bret Easton Ellis' 2002 dark drama "The Rules of Attraction."

Russell shared the big screen of the "American Psycho" prequel with a long list of A-List actors including Ian Somerhalder as the bisexual best friend, Paul Denton, Swoosie Kurtz as the flabbergasted mother, Mimi Jared, and Faye Dunaway as Paul's posh mom, Eve Denton.

Guess what Sams looks like now at 44 years old!

Little Bobby on 'All Of Us' 'Memba Him?!

California actor Khamani Griffin was only 5 years old when he got his first taste of fame after he was cast as the adorable Robert "Bobby" James Jr. -- who goes back and forth between his divorced parents -- in the 2003 family sitcom "All of Us."

Griffin was cast alongside Duane Martin as the hard-working father, Robert James Sr., Elise Neal as the fiancee, Tia Jewel and LisaRaye McCoy as the loving mom, Neesee James.

The same year that Khamani starred in The CW television show he also made his big-screen debut as Ben in "Daddy Day Care" opposite Eddie Murphy.

Guess what he looks like now in his twenties!

Sir Mix-A-Lot 'Memba Him?!

Seattle-based rapper Sir Mix-A-Lot (real name Anthony Ray) shot to worldwide fame after he released his third album "Mack Daddy" back in 1992 ... which included the bass-bumping, booty-shaking and posterior-praising single "Baby Got Back."

"Baby Got Back" was such a huge success that held the number one spot on the Billboard Hot 100 for multiple weeks and earned Sir Mix-A-Lot a Grammy for Best Rap Solo Performance.

The Sir went on to make a total of six studio albums in his music career but never reached the same success as his 1992 release.

Guess what he looks like now!

Little Matthew Brock in 'Picket Fences' 'Memba Him?!

Child actor Justin Shenkarow was only 12 years old when he took on the role of his life as the older of the two sons Matthew Brock -- who navigated the bizarre town in Wisconsin while his parents try to keep the peace in the madness -- in the classic '90s American drama "Picket Fences."

Justin was cast alongside some epic actors including Kathy Baker as the medical mom of three kids, Dr. Jill Brock, Holly Marie Combs as the eldest sister, Kim Brock and Tom Skerritt as the straight-nosed Sherriff, Jimmy Brock.

Guess what he looks like now at 40 years old!

Fonzworth Bentley 'Memba Him?!

Atlanta artist Fonzworth Bentley (real name Derek Watkins) gained fame in the early 2000s as Diddy's assistant and stylish sidekick -- with his eye-catching signature accessories like umbrellas, suspenders, bowties and even a violin -- on reality shows like MTV's "Making The Band 2" and as the host of "From G's To Gents."

FB wasn't only a flashy-fashioned friend ... Bentley went on to work with a bunch of high-profile artists in the music industry including Outkast, Faith Evans, Lil Wayne and Kanye West, and even released his own album C.O.L.O.U.R.S. back in 2011.

Guess what he looks like now without all the extra accouterment!

Bob Pinciotti on 'That '70s Show' 'Memba Him?!

New York City native Don Stark has had a long and impressive career in the entertainment biz with TV and movie credits going back to the actual early '70s ... but Don's best known for his role as the free-loving father Bob Pinciotti -- who raises his daughter with a few blonde bombshells -- in the Fox sitcom "That '70s Show."

Stark shared the small screen with some classic actors including Laura Prepon as Don's daughter and girl-next-door crush, Donna Pinciotti ... and of course Tanya Roberts as Don's stunning on-screen wife, Midge Pinciotti.

Guess what he looks like now in the 21st century!

Little Sly on 'Baby Geniuses' 'Memba Him?!

Canadian triplets Gerry, Leo and Myles Fitzgerald were only 5 years old when they were cast as the scientifically created super baby Sly -- and then Sly's long-lost twin brother Whit who was raised in the real world -- in the 1999 kid comedy "Baby Geniuses."

Gerry, Leo and Myles stuck around Hollywood for a few years for the "Baby Geniuses" 2004 follow-up film "Superbabies: Baby Geniuses 2" as the potion drinking hero kid, Kahuna.

The stud siblings, who no longer work in the entertainment biz, still live north of the border and play hockey and golf together regularly.

Guess what all three brothers look like now in their 20s!

Steven Keaton on 'Family Ties' 'Memba Him?!

Chicago native Michael Gross shot to stardom in the '80s after he landed the life-changing role as the easygoing hippie father Steven Keaton -- who looks after his four children and wife -- on the classic NBC family sitcom "Family Ties."

Gross shared the small screen with some iconic child actors including Justine Bateman as the shopaholic daughter, Mallory Keaton, Tina Yothers as the sporty middle child, Jennifer Keaton, Brian Bonsall as the super cute late addition to the family, Andy Keaton ... and of course Michael J. Fox as the oldest son, Alex P. Keaton.

Guess what he looks like now!

Big Daddy Kane 'Memba Him?!

New York City native Big Daddy Kane (real name Antonio Hardy) was only 20 years old when he cemented himself into the East Coast music scene as a hip hop icon after he released his 1988 debut album "Long Live the Kane," which included the stand-out single "Ain't No Half-Steppin'" and his 1989 sophomore album "It's a Big Daddy Thing" ... which was packed with hits like "Warm It Up Kane" and "Smooth Operator."

With one-of-a-kind lyrics, a unique rap style and a futuristic fashion sense ... BDK will always be an icon (and father figure) in hip hop history.

Guess what he looks like now in his 50s!

Brooks & Dunn 'Memba Them?!

Nashville country icons Kix Brooks (left) and Ronnie Dunn (right) -- better known as Brooks & Dunn -- swept through the south and across the country in 1991 with their debut album Brand New Man ... which included some serious stand-out singles including "Neon Moon," "Brand New Man" ... and of course "Boot Scootin' Boogie."

Before they decided to retire in 2009, the iconic cowboys went on to release over ten albums and headline tours across the US with other big-name musicians like Reba McEntire, Big & Rich and many more.

Brooks & Dunn are now immortalized in the Country Music Hall Of Fame.

Guess what the seminal pair looks like now in their late 60's.