Kylie Jenner and Timothee Chalamet's mortifying relationship secrets exposed: Her 'jealousy'... his pleas for 'space'... and why he's now finally 'on board' with a proposal

From packing on the PDA during their recent date to Chalamet publicly declaring his love for his 'partner' Jenner, fans have gone so far as to speculate that an engagement is imminent.