To get the multdimensional effect, Rita recommends that you ask your stylist for darker color on the sides, along with varying tones of blond hues throughout, like honey, toffee, and baby blond.
While he didn't work with Keri that evening, stylist Eugene Toye, also of the Rita Hazan Salon, has a few styling tips to share on how you can re-create the singer's asymmetric bouffant: First, spritz the hair with volumizing spray like Barex Volumizzante Spray (28). Then, use a round brush to blow-dry the hair, focusing the attention at the crown. "Create your side part, being playful with the hair to keep volume," he says. Then, spray with a heavy-hold hairspray to set. And you're done!