The 2018 Teen Choice Awards went down in LA on Sunday night, and it was a star-studded event. Some of your favourite actors from TV and movies showed up at The Forum to accept surfboard awards and walk the purple carpet. The cast of Riverdale posed for a few photos together, while Shadowhunters star Harry Shum Jr. showed sweet PDA with his wife Shelby Rabara. Plus, Chris Pratt gave an adorable speech with his Jurassic World costar Bryce Dallas Howard, while Anna Kendrick took an opportunity to roast Ryan Reynolds with her win. Keep reading to see the night's best pictures!