United Kingdom, Nov. 11 -- Kylie Jenner and Timothee Chalamet are "really in love".

The 28-year-old make-up mogul and Timothee, 29, are doing "great" - even though they can't spend prolonged periods of time together because of their respective careers.

An insider told People that the loved-up couple make "an effort to see each other every few weeks. He has a few days off for the holidays so they're making plans."

Timothee also feels proud to be dating the brunette beauty, with the source revealing that he "talked about Kylie all the time while filming Marty Supreme".

What's more, the insider confirmed that Kylie "flew out to visit him on set in NYC. They also met up in London while he was shooting Dune. They're really in love."

Meanw...