Timothée Chalamet, Kylie Jenner Celebrate at After-Party For 'SNL' Hosting Gig

Timothée Chalamet took on hosting duties on 'SNL' Saturday night, and GF Kylie Jenner was front and center supporting him. Kylie was at the show and the after-party at STK in NYC. Other stars who showed up ... Dakota Johnson, Phoebe Bridgers,…