Popsugar Celebrity Celebrities What Is the POPSUGAR Twinning App? Actual Celebrities Are Using POPSUGAR's Celebrity Twin App Now, and Oh My Gosh January 2, 2019 by Brinton Parker First Published: February 13, 2018 View On One Page Photo 38 of 55 ADVERTISEMENT () Start Slideshow View this post on Instagram Nailed it. #twinning A post shared by Felicia Day (@feliciaday) on Dec 31, 2018 at 5:47pm PST Share This Link Copy ← Use Arrow Keys → 38 Nailed it! Felicia Day was a 95.1 percent match. Previous Next Start Slideshow CelebritiesAppsTwinning