Revisit Some of Your Favorite Stars' Most Epic Halloween Costumes of All Time
It's scary how good these costumes are. Scroll on to see Lili Reinhart, Gigi Hadid, Katy Perry and more stars dressed up for Halloween over the years.\r\n
Chinchilla/Bauer-Griffin/GC Imagesas a Flaming Hot Cheetobeyonce.comBeyoncé, Blue Ivy & Jay Zas a the cast ofComing to AmericaDimitrios Kambouris/Getty Images for Heidi Klum Read more: E! News »
Reality check: Why we're becoming more extreme - CNN Video
The reasons we're becoming more extreme can help explain why our society has turned into a 24/7 culture war. The latest 'Reality Check with John Avlon: Extremist Beat' examines the science between what's causing people on the left and right to grow more extreme - with social psychology professor Jonathan Haidt.