Gregg DeGuire/WireImage
2002
The actress was only 16 when she starred in Eight Legged Freaks in 2002. She made her entrance at the Vanity Fair Oscar party in a paisley-print frock.
Carlo Allegri/Getty Images
2004
Alberta Ferretti designed ScarJo's emerald look for the 76th Academy Awards.
Steve Granitz/WireImage
2011
The We Bought a Zoo star walked the red carpet in a custom Dolce & Gabbana lace look.
Jordan Strauss/Invision/AP
2015
The actress stunned in an emerald Versace number at the 87th Academy Awards. Later on the red carpet, her A Love Song for Bobby Long co-star John Travolta surprised her with a smooch.

