1. Jeremy Edwards
Then: The ultimate Hollyoaks heartthrob who was engaged to S Club 7 alumni Rachel Stevens.
Now: Jeremy is now 46 years old, can you believe it?! He's since had stints on Holby City, Dancing On Ice, as well as numerous TV presenting jobs.
2. Paul Nicholls
Then: Our biggest soap crush ever, playing Joe Wicks on EastEnders.
Now: Since then, Paul has appeared in a Bridget Jones film, as well as numerous TV roles, including Secret Diary of a Call Girl, Law & Order: UK, Holby City and Grantchester.
3. Gareth Gates
Then: He needs no introduction does he really? Gareth was of course the stand out of 2002's Pop Idol. EVEN IF HE DIDN'T WIN, alongside Will Young.
Now: He's had a successful stint in musical theatre, performing in shows such as Les Misérables and Joseph and the Amazing Technicolour Dreamcoat. He also became a part of pop group 5th Story, which was created for The Big Reunion in 2013 and includes Dane Bowers, Kavana, Kenzie and Adam Rickitt.
4. Adam Rickitt
Then: Making Coronation Street more enjoyable to watch in the late '90s, before moving into pop music. Remember his debut single, "I Breathe Again"?
Now: Adam's had an incredibly varied career since, from appearing on New Zealand soap opera Shortland Street for three years, some stage work, working for charities and also being a part of pop supergroup 5th Story. He's even tried his hand at politics.
Then: Melting our hearts on Fame Academy.
Now: Melting our hearts still making music.
6. Sean Maguire
Then: Another EastEnders hunk.
Now: Aside from hanging out with Eleven from Stranger Things, Sean has a very successful acting career. He's appeared in Meet the Spartans, Once Upon A Time, Eve and The Class, to name a few.
7. MC Harvey
Then: One of the favourites from So Solid Crew.
Now: He had a brief solo music career for a while, has appeared on Celebrity Big Brother, and he was married to Alesha Dixon, but they split when he had an affair with singer Javine Hylton.
8. Duncan James
Then: Our boy from Blue.
Now: He's still our boy from Blue, but also with a side of Hollyoaks to his name.
9. Ben Price
Then: Conrad Gates in Footballers' Wives.
Now: Nick Tilsley in Coronation Street.
10. Craig David
Then: Craig David, absolute hero.
Now: Craig David, absolute hero.
11. Gary Lucy
Then: We first loved him in Hollyoaks, then loved him even more in Footballers' Wives.
Now: Gary's been in everything from EastEnders to Dancing On Ice and The Bill. He's also busy being married with three children.
12. Kenzie (Blazin' Squad)
Then: A member of Blazin' Squad, of course.
Now: He's appeared on a couple of reality TV shows, but Kenzie is now a DJ and personal trainer. In case you couldn't tell from his recent pictures.
13. Charlie Simpson
Then: The pretty one from Busted.
Now: The pretty one from Busted – after a decade's break and a beautiful reunion with Matt Willis and James Bourne.
14. Will Mellor
Then: The beloved Jambo in Hollyoaks.
Now: Will's gone on to appear in shows such as Casualty, Two Pints of Lager and a Packet of Crisps and EastEnders. Most recently he narrated Tattoo Disasters UK for Spike and is married with two children.
15. Jamie Theakston
Then: Popular TV presenter, hosting shows such as The O Zone, Top of the Pops and Live & Kicking.
Now: Popular radio presenter, hosting Heart FM's breakfast show with Spice Girl Emma Bunton.
Then: Crooning songs to us through the '90s.
Now: He's had a varied career since. He's appeared in Hollyoaks: In the City, Celebrity Big Brother and gone on a stage tour. Kavana also auditioned for The Voice UK, and was part of pop supergroup 5th Story on The Big Reunion.
17. Luke Pasqualino
Then: We knew him as Freddie McClair in Skins, of course.
Now: Playing d'Artagnan in BBC TV series The Musketeers.
18. Simon Webbe
Then: Making our hearts flutter as part of boyband Blue.
Now: He's still very much in Blue, but he's also competed on Strictly Come Dancing and tried out some stage roles.
19. Nicholas Hoult
Then: Tony from Skins! <3
Now: An incredibly successful actor in Hollywood, who until recently dated Jennifer Lawrence for years. He's appeared in everything from the X-Men films to Warm Bodies, Mad Max: Fury Road and Kill Your Friends.
20. Paul Cattermole (S Club 7)
Then: A member of S Club 7.
Now: Paul took part in the S Club 7 reunion two years ago, when he also started dating bandmember Hannah Spearitt once more, before they split again in 2015. He also has a rock band called Skua he's reformed.
21. Noel Sullivan (Hear'Say)
Then: He was one of the winners on the first series of Popstars in 2001, forming Hear'Say alongside Danny Foster, Myleene Klass, Kym Marsh and Suzanne Shaw.
Now: After Hear'Say's split in 2003, Noel has since successfully worked in musical theatre.
22. Andrew Hayden-Smith
Then: CBBC presenter.
Now: Andrew moved on from presenting to work as an actor. He currently appears as a police officer in Hollyoaks.
23. Calum Best
Then: He was mainly known from his stint on Celebrity Love Island in 2005/06 and for being football legend George Best's son.
Now: Calum's made a career out of reality TV shows and dating famous women.
24. Ben Shephard
Then: One of the most beloved T4 presenters.
Now: He's never been off our screens! GMTV, Good Morning Britain, The Xtra Factor, to name just some of his high profile roles.
25. Ben Adams (A1)
Then: The cute one with curtains from boyband A1.
Now: He's tried out a solo music career, Celebrity Big Brother and pantomime. Oh, and he also took part in Skal Vi Danse, the Norwegian version of Strictly Come Dancing in 2012. Because of course.