HOME Blake Shelton responds to Gwen Stefani's epic April Fools' Day pregnancy prank Abril 01 of 2016 - 11:49 EDT by HOLA USA! Galería: 2 Fotos Volver a la noticia 1/2 Gwen instagrammed a photo of an ultrasound on April Fools' Day. Photo: Instagram.com/@GwenStefani 2/2 Blake responded to his girlfriend's pregnancy prank, "Ha!!!!!" Photo: WireImage More about: Celebrity Couples April Fools' Day Gwen Stefani Blake Shelton