Popsugar Health & Fitness Best Of 2021 Best Workout Songs 2021 Need to Refresh Your Playlist? We've Rounded Up the Best Workout Songs 2021 Has to Offer 1 September 2021 by Emily Weaver View On One Page Photo 16 of 36 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 "Hey Boy" by Sia Previous Next Start Slideshow Best Of 2021PlaylistWorkoutsMusic