The undeniable 'bling' of the First Lady Michelle Obama's sparkly yellow dress underlines that she is full of surprises. Shades of yellow have symbolized renewal and hope since Elizabethan times, and besides, the shade really popped on Michelle Obama. Oh, it's also a "sartorial flag waved around the world", so it had to be a good 'un. Jackie O. references abound, what with the sheath dress styling. Keep your eye on Cuban-American designer Isabel Toledo. If you're into that sort of thing.