Doesn't matter what you wear as long as you're comfortable and happy its all about confidence people actually think you look nice. But you need help. This is what my mom wears. at the pools or beach she wears a bikini top with straps under a flowey dress.it can be long or short. As long as it matches.During the day you can wear capris. Just wear some shoes that are in, like converse or maybe some nice Sandles whatever you like. But if you decide to wear tennis shoes make sure they aren't old,dirty, not in style. And a nice blouse or a tank Will do.As for the exercising try to sick to these simple goals.