Popsugar Celebrity Celebrity Instagrams Gwen Stefani and Blake Shelton Attend a Wedding June 2018 Gwen Stefani, Best Wedding Guest EVER, Jammed to "Hollaback Girl" on the Dance Floor 5 June 2018 by Karenna Meredith First Published: 4 June 2018 View On One Page Photo 3 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Previous Next Start Slideshow Celebrity InstagramsBlake SheltonGwen Stefani