Flat rear? Brawn Hawn turned his body into a science experiment so he could show you how to create the perfect derrière.
Bryan Hawn
About Bryan Hawn
Bryan Hawn is a best selling health and fitness author who has directed and starred in more than 250 YouTube videos. He currently lives in Los Angeles and travels around the world making his videos. You can follow him on Facebook, on Instagram and on Twitter @BryanHawnItunes. His titles include The List and The List 360.