It's been a long time since we first met the Jersey Shore cast. Jason Laveris / FilmMagic
Now Jerzday has become an MTV tradition, and the crew is on Season 5 of Jersey Shore Family Vacation . Matt Winkelmeyer / Getty Images for MTV / ViacomCBS
Let's take a walk down memory lane and see how everyone from Snooki to Pauly D has changed since becoming reality TV stars. To start, here's Nicole "Snooki" Polizzi when Season 1 of Jersey Shore premiered in December 2009: Jason Laveris / FilmMagic
And here's what she looks like now: Here's what Pauly D (aka the man behind "t-shirt time") looked like in 2009: Jeff Kravitz / FilmMagic
And here's what he looks like now: Jared Silber / NHLI via Getty Images
Here's what Vinny Guadagnino looked like in 2010: Tiffany Rose / WireImage
And here's what he looks like now: Amy Sussman / Getty Images
Here's how Mike "The Situation" Sorrentino was looking in 2009: Jason Laveris / FilmMagic
And here's what he looks like now: Here's Jenni "JWoww" Farley on the red carpet in 2009: Jason Laveris / FilmMagic
And here's what she looks like now: Here's Ronnie Ortiz-Magro back in 2010: Tiffany Rose / WireImage
And here's what he looks like now: Paul Archuleta / Getty Images
Here's Angelina Pivarnick out and about in 2010: Bryan Bedder / Getty Images
And here's what she looks like now: Jeff Kravitz / Getty Images for MTV
Finally, here's Deena Nicole Cortese in 2010: Marc Stamas / Getty Images
And here's what she looks like now: Axelle / FilmMagic
Who's your favorite cast member on Jersey Shore Family Vacation ? Share your pick in the comments! View comments