By Josephine Cusumano
Updated Feb 03, 2016 @ 7:00 am
Isla Fisher Transformation Lead
Credit: Getty Images (2)

Isla Fisher is joining the 40 club! The actress and mother of three is turning 40 today and we're celebrating her big day by taking a look back at her changing looks dating back to 2002.

Fans were enchanted by Fisher's acting chops when she first burst out onto the scene in Scooby-Doo, I Heart the Huckabees, and then as the unforgettable Gloria Cleary in 2005's Wedding Crashers, which she starred opposite Rachel McAdams, Vince Vaughn, and Owen Wilson.

Soon, the Australian actress began landing roles in films including Definitely, Maybe, Horton Hears a Who!, Confessions of a Shopaholic, The Great Gatsby, Now You See Me, and in the TV series, Arrested Development.

While Fisher keeps her personal life super private, it's no secret she's married to Sacha Baron Cohen, of Borat fame, and that the two are proud parents to daughters Olive and Elula, and son Montgomery.

Celebrate the star's 40th birthday by taking scroll down memory lane with her glamorous transformation.