RadarOnline.com has footage of Ashley Tisdale on the set of her photoshoot for Shape magazine, where the ‘High School Musical’ star showed off her sexy bikini body. Tisdale says she never gets bored working out, because “I have a really good looking trainer as well, Chris, and it’s so exciting with him. No, he really understands my goals. We have a blast.” The workout has also done wonders for her back injury. Watch the video below.