Button-downs, sexy? Absolutely! It's all about finding the right collar, cut and style.

Tuck a snug top like Nicky Hilton's J Crew style (far left) into a fitted skirt. It will create the illusion of curves, says designer Anne Fontaine. To downplay a larger bust, go for a simple structured cut, like Katherine Heigl's.

For more ideas for the not-so-simple white shirt, pick up the latest issue of Life & Style, on newsstands now!

Photo Credit: Getty; INF