Wrap dress fabric

Hi I have my heart set on making a Diane Von Furstenberg-esque wrap around dress for a wedding I am attending next month. I have been frantically trying to find a rayon/viscose and lycra patterned fabric that might be suitable (ideally a pinky/floral pattern), but have so far failed miserably - it either seems impossible to get a stretchy fabric in a print or the prints are very old fashioned. Can anyone point me in the right direction please? Many thanks Debbie, UK