Kendall Jenner Tweeted THIS photo.

She is wearing the Rodarte Daisy-Printed Silk Dress!
Get the look for less here:
Selena Gomez wore the same dress in her De Una Vez music video, as seen here:

#KendallJenner #SelenaGomez #floralprintdress #pinkdress #puffsleeves #puffsleevedress #DeUnaVez #DeUnaVezvideo #Rodarte