1. Don't think that athletic apparel has to be boring and frumpy. Take a look at these lines of sexy, fun work out duds: Margarita, Bella Mia, Stella McCartney for Adidas, and Kimsbodywear.com.

1. Do wear what flatters your body type, not what you wish did. 2. Do yourself a favor, buy a good bra...in the right size.

1. Do stay away from novelty sunglasses (hearts, clovers, Elton John style, etc.) unless you're under 16. You might want to get a new beach towel, too, if yours has The Little Mermaid on it.