Timothée Chalamet and Kylie Jenner really ARE serious! The lovebirds are already practically living together at this point as they split time in their properties, hang with the models' kids, and jet set around the world together. But now, three years into their romance, they could finally be taking a major next step! According to a source close to the couple per Us Weekly on Thursday, they've had the talk! An insider dished: "They are very serious and have talked about getting engaged this year.