Performed live and outdoors at Brucemore's Peggy Boyle Whitworth Amphitheater. Based on Mo Willems’ beloved children’s books, Elephant and Piggie’s onstage outdoor adventure will leave young audiences doing the "Flippy Floppy Floory" dance all night long!  An elephant named Gerald and a pig named Piggie are best, best, "bestus" friends, but Gerald worries that something could go wrong that would end their friendship. Piggie is not worried at all! She's even happier and more excited than usual because she and…