Memba Them

American actress Maura Tierney was in her mid-30s when she first started playing the role of Dr. Abby -- the once modest nurse who evolves into a confident doctor -- on the medical drama series "ER" back in 1999.

Tierney shared the screen with Noah Wyle as the ambitious medical student, John Carter, Laura Innes as well-accomplished doctor Kerry Weaver and throwin' it back to his big break ... George Clooney as the devoted pediatrics physician, Doug Ross.

Maura also played the role of Lisa Miller on the sitcom "News Radio" in the late '90s.

American actor and singer Tyler Hilton was 21 years old when he played the role of Elvis Presley -- touring and performing in numerous cities with Johnny Cash in the '50s and ultimately becoming pals -- in the musical/drama film "Walk The Line" back in 2005.

Hilton shared the big screen with Joaquin Phoenix as the uber-talented musician dealing with stardom and opioid addiction, Johnny Cash, Reese Witherspoon as the comedic performer who falls in love with Cash, June Carter and Ginnifer Goodwin as Johnny's wife who files for divorce, Vivian Cash.

Tyler also played Chris Keller in the CW's "One Tree Hill" and the love interest in Taylor Swift's "Teardrops On My Guitar" music video.

American singer and songwriter Vladimir John Ondrasik III -- more commonly known as "Five For Fighting" -- was in his mid-30s when he rose to stardom with hit songs like "Superman", "100 Years" and "The Riddle."

The singer's popularity continued well into the late 2000s ... "Chances" played over the end credits of the film "The Blind Side" with Sandra Bullock and Tim McGraw. In 2016, Five For Fighting's song "Born To Win" debuted and was the opening montage track for the Season 8 finale of "American Ninja Warrior."

To this day, Five For Fighting's music is appreciated and respected by other big-name musicians like Idina Menzel.

TV Personality Dana Wilkey was in her mid-30s when she became popular as one of the more bougie women of the Beverly Hills squad -- most known for showing off her $25,000 sunglasses -- on Bravo's season 2 of "The Real Housewives of Beverly Hills" back in 2011.

Although she was not a primary cast member, her flashiness and over-the-top personality earned her some star-power points and contributed to the show's drama, standing alongside key players including Kyle Richards, Lisa Vanderpump and Camille Grammer.

... And, can't forget about her $1 million lollipop holder!

The American rock band Plain White T's first surfaced on the music scene back in 1997 and continues to captivate their fans to this day. Their 2006 hit song "Hey There Delilah" put the stamp on their fame and success, earning one Grammy nod and peaking #1 on the charts.

Originally forming in '97 with high school pals Tom Higgenson, Dave Tirio and Ken Fletcher ... Steve Mast would join the group soon after. Their songs "1,2,3,4" and "Rhythm of Love" are also some fan favorites.

Today, the group is still rockin' out ... recently performing in Texas at Tarleton State University, and they're gearing up for a summer tour!

"Hey there, Delilah!"

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.

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.

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."

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!"

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.'

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.

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!"

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."

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.

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!"

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!