The former VS/SI Swimsuit stunner - who retired from modeling last May - kept her make-up simple and wore her dip-dyed ombré locks down for the SXSW festivities.
Decker and the former CNN anchor will launch their 'virtual closet' website on March 23, which alerts customers of price adjustments for recently purchased items.
At number 18 we have Dallas Cowboys cheerleader Kelsi Reich.
Many of us recall seeing her at a Dallas Cowboys game in November of last year when her boyfriend David Nelson caught a touchdown pass for the opponent, the Buffalo Bills.
2011 romantic comedy film, Just Go With It for her role as Palmer Dodge.
She was discovered in a Charlotte shopping mall as a teenager.
She is also an avid North Carolina Tar Heels basketball and Carolina Panthers fan.
In 2005, within two months of moving to New York City, Decker auditioned for the Sports Illustrated Swimsuit Edition, in which she first appeared in 2006.
There's also her humility, which she shows off regularly posing without makeup on her Instagram to show off her acne and her humanity.
Decker's also outspoken about battling an eating disorder when she was younger, allowing women everywhere to see behind the curtain at what can go down in an industry when your job is basically just to be beautiful ... Decker has a great heart beating underneath that ample chest, volunteering for a number of causes, including the Special Olympics and the Wounded Warriors project.