Gwen Stefani was spotted arriving at the Jimmy Kimmel ... a romantic blowdried down do with the front of her platinum blonde hair pulled away from her face in a noughties-style quiff.

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.

Gwen Stefani and Blake Shelton ... both rocked red curly hair wigs while celebrating. Shelton accessorized with a funky patterned shirt and brown sunglasses while Apollo rocked a blue, yellow ...