by Michele BirdBuzzFeedBuzzFeed Contributor ICYMI: The 2026 Winter Olympics are currently underway in Milano Cortina. From the "Quad God" to all the athletes winning gold, there has been a ton of buzz around this year's games. And while we watch history happen, let's take a walk down memory lane and see how fan-favorite Olympians have transformed over the years: 1. To start, Michael Phelps made his first Olympic appearance at the 2000 Summer Games in Sydney, Australia, when he was just 15 years old: Simon Bruty / Anychance / Getty Images His final Olympic appearance was at the 2016 Summer Games in Rio de Janeiro, Brazil, aged 31: Al Bello / Getty Images for Octagon And here's what he looks like now: Denise Truscello / Getty Images for Sports Illustrated 2. Michelle Kwan made her first Olympic appearance at the 1998 Winter Games in Nagano, Japan: Emmanuel DUNAND / AFP via Getty Images Her final Olympic appearance was at the 2006 Winter Games in Turin, Italy, although she never officially competed due to injury: S. Levin / Getty Images And here's what she looks like now: Andre Ringuette / 4NFO / World Cup of Hockey via Getty Images 3. Shaun White made his first Olympic appearance at the 2006 Winter Games in Turin, Italy: JOE KLAMAR / AFP via Getty Images His final Olympic appearance was at the 2022 Winter Olympics in Beijing, China: Maddie Meyer / Getty Images And here's what he looks like now: Greg Doherty / Getty Images for St. Regis 4. Allyson Felix made her first Olympic appearance at 2004 Summer Games in Athens, Greece: Stuart Hannagan / Getty Images Her final Olympic appearance was at the 2020 Summer Games in Tokyo, Japan, which were officially held in 2021 due to the Covid-19 pandemic: Ryan Pierse / Getty Images And here's what she looks like now: Stefanie Keenan / The Hollywood Reporter via Getty Images 5. Usain Bolt made his first Olympic appearance at the 2004 Summer Games in Athens, Greece: DANIEL GARCIA / AFP via Getty Images His final Olympic appearance was at the 2016 Summer Games in Rio de Janeiro, Brazil: Elsa / Getty Images And here's what he looks like now: Christian Petersen / Getty Images 6. Emma McKeon made her first Olympic appearance at the 2016 Summer Games in Rio de Janeiro, Brazil: Adam Pretty / Getty Images Her final Olympic appearance was at the 2024 Summer Games in Paris, France: Maddie Meyer / Getty Images And here's what she looks like now: Don Arnold / WireImage / Getty Images 7. Tom Daley made his first Olympic appearance at the 2008 Summer Games in Beijing, China: David Rogers / Getty Images His final Olympic appearance was at the 2024 Summer Games in Paris, France: Richard Pelham / Getty Images And here's what he looks like now: Eamonn M. McCormack / Getty Images for Warner Bros. Discovery 8. Hope Solo made her first Olympic appearance at 2008 Summer Games in Beijing, China: Cameron Spencer / Getty Images Her final Olympic appearance was at the 2016 Summer Games in Rio de Janeiro, Brazil: Scott Halleran / Getty Images And here's what she looks like now: Omar Vega / Getty Images 9. Michael Jordan made his first Olympic appearance at the 1984 Summer Games in Los Angeles, California: Bettmann / Getty Images His final Olympic appearance was at the 1992 Summer Games in Barcelona, Spain: Andrew D. Bernstein / NBAE via Getty Images And here's what he looks like now: Jordan Bank / Getty Images 10. Ariarne Titmus made her first Olympic appearance at the 2020 Summer Games in Tokyo, Japan: Clive Rose / Getty Images Her final Olympic appearance was at the 2024 Summer Games in Paris, France: Chris Hyde / Getty Images And here's what she looks like now: Tracey Nearmy / Getty Images 11. Carl Lewis made his first Olympic appearance at the 1984 Summer Games in Los Angeles, California: Disney General Entertainment Content via Getty Images His final Olympic appearance was at the 1996 Summer Games in Atlanta, Georgia: David Madison / Getty Images And here's what he looks like now: Robby Klein / Getty Images for IMDb 12. Alex Morgan made her first Olympic appearance at the 2012 Summer Games in London, England: Stuart Franklin - FIFA / FIFA via Getty Images Her final Olympic appearance was at the 2020 Summer Games in Tokyo, Japan: Naomi Baker / Getty Images And here's what she looks like now: Meg McLaughlin / NWSL via Getty Images 13. Andy Murray made his first Olympic appearance at the 2008 Summer Games in Beijing, China: Julian Finney / Getty Images His final Olympic appearance was at the 2024 Summer Games in Paris, France, which served as the last tournament of his career: Matthew Stockman / Getty Images And here's what he looks like now: Andrew Redington / Getty Images 14. Sue Bird made her first Olympic appearance at the 2004 Summer Games in Athens, Greece: Jesse D. Garrabrant / NBAE via Getty Images Her final Olympic appearance was at the 2020 Summer Games in Tokyo, Japan: Ned Dishman / NBAE via Getty Images And here's what she looks like now: Joe Buglewicz / Getty Images 15. Mark Spitz mad