Klum's stylist Helena Faccenda recommends blow-drying hair with a round brush until almost done and then finish with a flat Mason Pearson brush. She recommends smoothing the look with a HAI ceramic flat iron. INSIDER TRICK
"Never put the blow dryer and brush underneath the bangs," says Faccenda. "Blow them straight down or you'll wind up creating a round bang." Try on Heidi's hair now!