Now and then: Our favourite celebrity 10 year challenge snaps

Can you believe The Project started 10 years ago? Check out 2009 Carrie Bickmore versus the Carrie we know and love today. (Image: Instagram @carrietommyshow)

Oscar winner Reese Witherspoon shared this snap on Instagram saying, "Time sure does fly when you are having fun!!" Umm has she aged a day?? (Image: Instagram @reesewitherspoon)

Speaking of never ageing, check out talk show queen Ellen! "I never realized how differently I hold my hand now," she joked on social media. (Image: Instagram @theellenshow)

Mum of three Kate Hudson has always oozed glamour, no matter the year. (Image: Instagram @katehudson)

Jennifer Lopez was pregnant with her twins Max and Emme and continues to give us post-baby body goals to this day. (Image: Instagram @jlo)

Amy Schumer, who is currently pregnant with her first child, showed a picture of Charlize Theron's murderess character in Monster instead of a real snap. Hilarious! (Image: Instagram @amyschumer)

Too real! Even Jennifer Garner had wardrobe malfunctions back in the day. (Image: Instagram @jennifer.garner)

Jessica Biel in her tan lines, hoops and blonde days versus Jessica Biel today. (Image: Instagram @jessicabiel)

"Now THAT is a #10YearChallenge Be authentic to yourself 💜" Caitlyn Jenner, born Bruce Jenner, has arguably had the biggest transformation of all. (Image: Instagram @caitlynjenner)

We reckon Isla Fisher looks the same as she did in 2009 but according to her, she was "stretchmark/spanx/diaper free a decade ago." (Image: Instagram @islafisher)

"Ahhhh remember the days when Fitzy had hair?!" The team at Nova shared this hilarious throwback of breakfast radio host Ryan 'Fitzy' Fitzgerald then and now. (Image: Instagram @fitzyandwippa)

They'll always be those cuties on the left! Bob Irwin shared an adorable photo of himself and big sister Bindi Irwin in 2009 and 2019. (Image: Instagram @robertirwinphotography)

The Block's Shelley Craft says that filters look better now but she looked as amazing as she did 10 years ago. (Image: Instagram @shelleycraftofficial)

"Sober 5 years. Vegan 3 years. 30kgs lighter. Happier than ever." The Today Extra host has made some serious lifestyle changes since 2009. (Image: Instagram @davidcampbell73)

Bachelor In Paradise's Tara Pavlovic shared one photo of herself on a carousel in 2009 versus 2019 Tara. "Such a tame teenager I was. If I was that wild on a carousel, you can only imagine...#SozMum 😬" she penned.

Trust Morning Show host Larry Emdur to give us a fright with this Instagram! (Image: Instagram @larryemdur)

And Dr Chris Brown had the same train of thought! (Image: Instagram @drchrisbrown)

Ok Schapelle Corby you win the award for biggest transformation. The former drug smuggler who spent nine years behind bars in a Balinese prison captioned her 10 Year Challenge snap, "Been a rough-trot. Better now. 🙏 #turbulent #10yearchallenge #🙄." (Image: Instagram @schapelle.corby)