Popsugar Celebrity Emma Watson Celebrities Who Look Like Their Siblings 16 Celebrity Siblings Who Could Totally Pass For Identical Twins June 26, 2018 by Quinn Keaney View On One Page Photo 8 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 John and Carl Mayer What do you get when you mix curly brown hair with crazy-good guitar skills? The Mayer brothers, who we strongly feel should start a music act together. Previous Next Start Slideshow Emma WatsonCelebrity FamiliesCelebrity Lookalikes