OG YouTuber 'Venetian Princess' 'Memba Her?!

OG YouTuber Jodie-Amy Rivera aka Venetian Princess was 23 years old when she first started making song parodies and reenactments of popular culture events on her YouTube channel back in 2007.

Some of her most viral vids include Taylor Swift's "You Belong With Me, Just A Zombie", Lady Gaga's "Poker Face, Outer Space" (which has 60 million views), and Britney Spear's "Womanizer."

She also gained popularity with her series, "The Princess Chronicles"... known for its intricate editing, unique fashion, and transitional visual effects.

Venetian Princess was the #1 subscribed YouTuber in the world in 2009-2010.

Guess what she looks like now!

Singer Jason Mraz 'Memba Him?!

American musician Jason Mraz was in his early 20s when he rose to fame... with his talented voice and stellar guitar-playing skills to back it all up! After the release of his 2002 debut album, "Waiting for My Rocket to Come" ... Mraz's music career would become one to reckon with!

The talented singer has quite the list of accolades, including two Grammy wins for his singles "Make It Mine" and "Lucky" featuring Colbie Caillat. His sing-along tunes, like "I'm Yours" held a record spot on the Billboard Hot 100 list, remaining there for 76 weeks back in 2008.

Guess what he looks like now!

'90s Actress Megan Ward 'Memba Her?!

American actress Megan Ward was in her early 20s when she became a well-known star for her roles in comedy films like "Encino Man," "Freaked" and "The Brady Bunch Movie" back in the early 1990s.

Perhaps one of her most notable roles was Robyn Sweeney in "Encino Man" -- where she played the high school beauty and teen crush of her co-star Sean Astin. She also starred in MTV's first film, "Joes Apartment" alongside Jerry O'Connell, where she played Lily Dougherty -- the senator's daughter.

Over the years, she has made guest appearances on TV shows such as "CSI: NY."

Guess what she looks like now!

Cascada Singer Natalie Horler 'Memba Her?!

German singer Natalie Horler was 23 years old when her German dance group's, Cascada, hit song "Everytime We Touch" was released back in 2005. The song's techno and dance-pop vibes allowed for much success and landed itself on the Billboard charts.

Other popular songs amongst Horler and the group include "Evacuate the Dancefloor" and "What Hurts the Most," which was originally sung by country singer Mark Wills and soon after by the country group Rascal Flatts.

"Cause every time we touch/I get this feeling/And every time we kiss I swear I could fly!"

Guess what she's up to now!

'The Swan' Host Amanda Byram 'Memba Her?!

Irish television host Amanda Byram was 30 years old when she first started hosting "The Swan" -- a show documenting women going through a full-on transformation and physical makeover -- back in 2004.

Prior to her hosting gig on "The Swan", Amanda hosted "Paradise Hotel" -- a dating reality show -- as well as cohosting "Grand Slam" which was a rapid-fire, question-type game show alongside Dennis Miller.

To this day, she is still hosting TV shows ... most recently, "Food Unwrapped," and just last year she welcomed her first child, making her one proud 'Mam.'

Guess what she looks like now at 49 years old!

'Ally McBeal' Star Calista Flockhart 'Memba Her?!

American actress Calista Flockhart was just 26 years old when she first played the role of Ally McBeal -- the Boston lawyer who is looking for love, wanting to have a baby and feeling the pressure of her biological clock -- in the legal comedic drama "Ally McBeal" back in 1997.

Joining Flockhart in the TV series included Greg Germann as the smooth-talking lawyer who puts winning over morality, Richard Fish, Lisa Nicole Carson as Ally's best friend and roommate, Renee Raddick and Peter MacNicol as the shy attorney who thrives in the courtroom, John Cage.

Guess what she looks like now!

The Kazoo Kid 'Memba Him?!

Child actor Brett Ambler, aka The Kazoo Kid, was only 5 years old when he starred in the kazoo sing-along/play-along video -- which featured a young boy (Brett) playing the kazoo to his audience, later giving him the confidence to play, sing and dance with the other kids -- back in 1989.

After being uploaded to YouTube in 2011 ... the classic video resurfaced and several techno remixes were shared to SoundCloud, increasing Brett's popularity. The sing-along also brought in a couple million views on Facebook, and The Kazoo Kid's meme went viral!

"And you too can kazoo!"

Guess what he looks like now!

Jen Bunney On MTV's 'The Hills' 'Memba Her?!

TV personality and author Jen Bunney, who now goes by her married name, Jennifer Dunphy, was just 21 years old when she first appeared on MTV's hit show "The Hills" back in 2007.

Bunney contributed to the series' drama along with Lauren Conrad as the fashion student who journeyed from Laguna Beach to Los Angeles, Heidi Montag as Lauren's (ex) bestie and party girl ... and of course Kristin Cavallari, the bubbly blonde who never shied away from confrontation.

Jen also made appearances with LC on "Laguna Beach" back in her teen years and is spilling all the tea in her new book, "Don’t Tell Me What to Do: The Secret Guide to Unlocking Your Power, Potential, and Purpose."

Guess what she looks like now!

Action-Movie Star Jet Li 'Memba Him?!

Action-movie star Jet Li was in his late 30s when he showcased his (many) talents during the early 2000s... taking his martial arts and acting skills to the big screen with some of Hollywood's hottest celebrities and putting up quite the fight!

Working alongside Mel Gibson and Danny Glover, the 1998 film "Lethal Weapon 4" would be Li's first Hollywood gig. In 2000, he took on the leading role of Han Sing in the action-packed film "Romeo Must Die" next to the late Aaliyah and would continue to be praised for his work for years to come.

And these notable roles don't take away from his 5x title of Men's All-Around National Wushu Champion ... dating back to the mid/late-1970s.

Guess what he looks like now!

Singer James Blunt 'Memba Him?!

British singer James Blunt was 31 years old when his song "You're Beautiful" propelled him to stardom back in 2005. The catchy song became his breakout hit, peaking at #1 on the Billboard chart for a week ... quite the accomplishment, especially back in the early 2000s.

Aside from the "You're Beautiful" music video racking up nearly 700 million views, Blunt continued making music with albums like "All The Lost Souls" and "Some Kind Of Trouble."

The talented singer is still making tunes, and just this month he dropped the song "Can't Forget You", collaborating with the band Ofenbach.

"You're beautiful, you're beautiful, you're beautiful, it's true!"

Guess what he looks like now!

Vine Star 'Allicattt' 'Memba Her?!

American social media personality Alli Fitz (aka 'AlliCattt') was 19 years old when she first started going viral on the short-form video platform "Vine" back in 2013 -- known for her entertaining and cheeky videos which grabbed her a whopping 4.3 million followers and nearly 3 billion loops.

Prior to her days on Vine, she started posting YouTube content back in 2008 -- her first upload being a Happy Birthday video for her idol Joe Jonas -- followed by song covers like Taylor Swift's "Forever And Always."

Her popularity has landed her sought-after gigs in the entertainment biz with major companies like MTV and Universal Records, and most recently she's been busy making music!

Guess what she looks like now!

Neil Kellerman In 'Dirty Dancing' 'Memba Him?!

American director and former actor Lonny Price was 28 years old when he played the role of Neil Kellerman -- the smart, nerdy and cocky nephew of the Kellerman's Lake Lodge owner -- in the 1987 dance and romance film "Dirty Dancing."

Price shared the big screen with Jennifer Grey playing "Baby" -- the curly-haired gal, trying to fall out of the "daddy's girl" image and into the arms of Johnny Castle -- the studly dancer trying to find his place in life -- played by the late Patrick Swayze.

Lonny has directed numerous musicals and originated the role of Charley in the Broadway play "Merrily We Roll Along." He also appeared in "The Golden Girls" alongside Betty White.

Guess what he looks like now!

Nelly Furtado 'Memba Her?!

Canadian singer Nelly Furtado was 21 years old when she stormed into the millennium -- topping the music charts -- with hit songs "I'm Like a Bird" and "Turn Off the Light" back in 2000.

Not only did her 2000 album "Whoa, Nelly!" make her one to reckon with in the music biz, but she also scored herself a Grammy. Furtado went on to have success in the mid-2000s with her third studio album "Loose" which featured bops like "Promiscuous" and "Maneater."

It's been a minute since Furtado has been in front of the mic, but she recently shared some studio selfies ... new music, who this?!

"And I say follow me follow me follow me down down down down!"

Guess what she looks like now!

Child Country Singer Billy Gilman 'Memba Him?!

Child country singer Billy Gilman was only 11 years old when he burst onto the music scene with his hit song "One Voice" back in 2000. The song was part of his debut album "One Voice" and also featured popular tracks like "Oklahoma" and "There's a Hero."

His first album's success garnered spots on both the Billboard Hot 100 chart and the Billboard Hot Country Songs chart. Since then, Billy has released a total of five albums and in 2016, he finished runner-up on "The Voice" where he covered songs like Adele's "When We Were" with help from his coach Adam Levine.

Guess what he looks like now!

Joyce Giraud From 'RHOBH' 'Memba Her?!

American television personality and former Miss Universe Puerto Rico Joyce Giraud was 37 years old when she made her debut on season 4 of Bravo's "The Real Housewives of Beverly Hills" back in 2013.

Joining Joyce in the dramatic series included Kyle Richards as the bubbly mom and boutique owner, Kim Richards as the goofy and clumsy housewife, Yolanda Hadid as the ex-supermodel with the walk-in fridge, and Brandi Glanville whose no-filter personality caused tension between herself and Joyce.

Although she only lasted for one season, she remains friends with costar Lisa Vanderpump to this day!

Guess what she looks like now!

Princess Daisy In 'Super Mario Bros.' 'Memba Her?!

American actress Samantha Mathis was just 22 years old when she played the royal role of Princess Daisy -- the King of Dinohattan's highly intelligent daughter who ventures off to Brooklyn, NY with a deep passion for all things dinosaurs -- in the fantasy and super adventurous film "Super Mario Bros." back in 1993.

Mathis performed her reptilian brain persona alongside Bob Hoskins as the grumpy and practical Brooklyn plumber who loves his toolbelt, Mario, John Leguizamo as Mario's braver and younger brother who is quite intrigued by Daisy, Luigi, and the late Dennis Hopper who played the villainous, King Koopa.

"Oopsy-daisy!"

Guess what she looks like now!