BWW Review: Diana Ross Breezes Through the Songs and Costumes at Ravinia FestivalAugust 9, 2016It was another magical night at Ravinia Festival for the greatest diva of our time, Ms. Diana Ross! Tonight marks the first time Ms. Ross graces Ravinia Festival and she brought her daughter Rhonda Ross with her as well. As people started filling the pavilion, Rhonda opened first with a set of her original music.