The tailored jacket, the polka dots, and the nice red colour of the jeans. Not the shoes though - why wear sandals with what looks like an autumn/winter outfit? Cute flats or black boots would have done the trick.
This is a killer abs workout you can do while sitting down anywhere. Position yourself on the edge of the chair and grab hold of the seat just under your legs. Do the crunches by lifting yourself from the seat and bring the knees to your chest.