Popsugar Entertainment Nostalgia Sexy Gwen Stefani Music Videos Holla Back to Gwen Stefani's 10 Sexiest Videos of All Time 5 November 2018 by Katy Fabrie View On One Page Photo 4 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 "What You Waiting For?" It's kooky, it's clever, and we're reminded once again of the never-ending relevancy of Ms. Stefani's rock-solid abdomen. Previous Next Start Slideshow NostalgiaMusic VideosNo DoubtSexyMusicGwen Stefani