Popsugar Celebrity Award Season Riverdale Cast at the 2018 Teen Choice Awards KJ Apa Photobombed Cole Sprouse and Lili Reinhart, and We Can't Stop Laughing 13 August 2018 by Kelsie Gibson Image Source: Getty / Kevin Mazur/Fox The Teen Choice Awards was a star-studded affair on Sunday night, but no one shined brighter than the cast of Riverdale. In addition to taking home 10 awards, including choice drama TV show, the cast looked like one big family as they walked the red carpet and joked around with each other inside. As onscreen and off-screen couple, Cole Sprouse and Lili Reinhart, posed for a sweet photo at their seats, their costar KJ Apa hilariously photobombed them in the background. Seriously, when you see his face, you'll do a spit take. See even more fun moments from the cast's big night ahead. Image Source: Getty / Jon Kopaloff 1 / 20 Image Source: Getty / Kevin Mazur/Fox 2 / 20 Image Source: Getty / Jon Kopaloff 3 / 20 Image Source: Getty / Kevin Mazur 4 / 20 Image Source: Getty / Kevin Winter 5 / 20 Image Source: Getty / Jon Kopaloff 6 / 20 Image Source: Getty / Kevin Winter 7 / 20 Image Source: Getty / Frazer Harrison 8 / 20 Image Source: Getty / Kevin Mazur/Fox 9 / 20 Image Source: Getty / Frazer Harrison 10 / 20 Image Source: Getty / Kevin Mazur/Fox 11 / 20 Image Source: Getty / Steve Granitz 12 / 20 Image Source: Getty / Steve Granitz 13 / 20 Image Source: Getty / Kevin Mazur/Fox 14 / 20 Image Source: Getty / Steve Granitz 15 / 20 Image Source: Getty / Kevin Mazur 16 / 20 Image Source: Getty / Kevin Winter 17 / 20 Image Source: Getty / Kevin Mazur 18 / 20 Image Source: Getty / Kevin Mazur 19 / 20 Image Source: Getty / Kevin Mazur/Fox 20 / 20 Award SeasonRiverdaleTeen Choice AwardsRed Carpet