On Monday, Jenner attended the annual Met Gala in abright red gown with a contrasting blue lining.
What does any of this have to do with Timmy?
The two men have been collaborating on looks since 2017, and Chalamet attended his couture show in February.
Taylor Hill/Getty Images
And they were seen talking.
And then the dating rumors started.
Ona picture of Jenner modeling her gown, one commenter wrote, Timothees doing.

Dimitrios Kambouris/Getty Images
Added another, We have now confirmation [of the relationship].
Said a third, Omg her boy Tim hooked her up w his favorite designer.
So there we…have it?

Theo Wargo/Getty Images