GUESS on Twitter: "The Booty Workout 🍑✨ #GUESSGirl @AmandaCerny kicks off week one of our #FitnessFriday Challenge. Follow our IG Story at https://t.co/DPHzawNfX7 for more! https://t.co/DRRrhm8KDh #CernyFitxGUESS #TeamCerny https://t.co/sDGJp8A2C7 ...