Katy Perry's floral sequin dress from American Idol

Katy Perry Tweeted THIS clip from American Idol.

She is wearing the Ashish floral-motif sequin-embellished gown. Buy it HERE and HERE!

Get the look for less here:

#KatyPerry #floralprintdress #floralprintgown #sequindress #sequingown #AmericanIdol #Ashish