Another way to squeeze in tush-firming exercise: Choose steps over the elevator and/or do a hard-core stair workout at home, running up and down as fast as you can for 30 seconds, then slow-climbing for two minutes (repeat this routine for a half hour).
It's never too late to get fit and look fabulous! Real inspiration: Ernestine Shepherd is 74 years old. She is a personal trainer, a professional model & a competitive bodybuilder. She started exercising at 56 and took up body building at Amazing!