Gwen Stefani just opened up about her own angst. The Voice judge looks and feels incredible and what new music out and a wedding to plan, she's got plenty to celebrate. MORE: It's wedding bells for Gwen Stefani and Blake Shelton - is this what they'll wear?But Gwen has admitted she still worries what people think of her, especially when it comes to what she does best… making music. WATCH: Gwen Stefani reveals proposal from Blake Shelton almost didn't happen While creating her new single, Let Me