Awards season might be over, but that doesn't mean we aren't still marveling at the red carpet coifs! Especially impressive were stars' expertly-colored strands, nary a dark root in sight. While some opted for highlights, others such as Amy Adams simply enhanced their God-given hue. "Amy is naturally a strawberry medium-brown; her colored hair is the super-richened version of her natural color," says Tracey Cunningham of Redken who treated Adams' tresses for the Golden Globes and Oscars. "She likes how her hair looks after a few shampoos when it's brighter, but not too bright." While Adams and Cunningham's other star clients tend to leave their red carpet color to the last minute—Adams got her color just two days before the Globes—Cunningham, whose regulars also include Kate Beckinsale, Jennifer Lopez, and Cameron Diaz, recommends visiting your colorist at least one week before a big event. "This way, your hair gets a few washes and is able to grow into itself," she says.