After Sunday night's SAG Awards [1], celebrities let loose at a series of afterparties. Actress Lupita Nyong'o switched up her look and hit the dance floor with Danielle Brooks at a party hosted by The Weinstein Company and Netflix, and at the People and EIF bash, cute couple Sofia Vergara and Joe Manganiello continued their fun night [2] out. Meanwhile, Sofia's Modern Family costars cracked each other up, and winners Eddie Redmayne and Julianne Moore linked up for a sweet snap. Check out the best afterparty photos, and then see all the stars on the SAG Awards red carpet [3], plus a list of this year's winners [4]!