Happy Birthday Gwen Stefani!!! The icon turns 54 today… what’s her secret? She looks amazing!! Before Gwen won 3 Grammys for her solo career she was the leading lady of No Doubt that was together from 1986–2004 and then again 2008–2015. She is on the current season of The Voice alongside Niall Horan, John Legend and Reba McEntire.