Gwen Stafani during The Voice "Knockout Rounds" on Season 7. Photo: Trae Patton/NBC In Stefani's debut season on The Voice in 2014, she often paired her platinum blonde hair with a bold red lip.

Gwen Stefani wore a white dress with floral designs ... She wore her signature blonde hair parted down the middle and in big curls, with two white hair clips pinning the front pieces back.

Unquestionably cool, Gwen Stefani's style evolved from the '90s to starring on The Voice. From her hair to her abs, the Instagram favorite leaves no doubt that she's always on point.