When it comes to dressing for the red carpet, Just Go With It star Brooklyn Decker has a secret weapon to help avoid wardrobe malfunctions.

At Sunday's MTV Movie Awards in Universal City, Calif., Andy Roddick's supermodel wife told Us Weekly she used packing tape to secure the hem of her gold No. 21 dress.

"You can use it for so many things on the red carpet," Decker, 24, joked to Us.

For more MTV Movie Awards fashions and shots of the cutest couples, check out Us' red carpet video recap above.

Tell Us: What was your favorite moment from Sunday's show?