Kentucky Derby: Kate Walsh, Jordin Sparks turn out for race day
Former "American Idol" contestant Jordin Sparks (above) attended in a somewhat understated white hat. Meanwhile, "Private Practice's" Kate Walsh opted for a stiff black straw number with a single bird feather.
Also on hand, sportscaster (and former "Dancing with the Stars" contestant) Erin Andreews:
We'll add more photos here as the celebs make the scene.