The Battleship actress revealed that idolises supermodel Bundchen and finds her to be "perfect".
"I have a top-five list, and Gisele is my number one. So she can do no wrong in my eyes," Decker explained in an interview with GQ.
"Well, everyone has a top five list of their biggest crushes, you know? Usually, it's guys on my list, but Gisele is just so perfect in every way."
Decker previously revealed that her husband Andy Roddick has a crush on Jennifer Aniston.
She can next be seen in What to Expect When You're Expecting alongside a cast that includes Cameron Diaz, Jennifer Lopez and Elizabeth Banks.
Watch the Battleship trailer below: