Los Angeles, California - Kylie Jenner and Timothée Chalamet's ultra-private romance is reportedly heating up, as the Dune actor is said to have joined Kylie on her recent birthday getaway!

Per a Thursday report from People, the lovebirds are "very serious" after dating for more than a year.

"It was a nice break for her. She's incredibly happy with him. She's never been in love like this before," the tipster explained. "He's great for her."

Despite their high-profile careers, Kylie and Timothée have managed to keep their romance pretty under wraps, only making a few public appearances together since first sparking dating rumors last April.

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It seems that the relationship is exactly what the Kylie Cosmetics mogul has been looking for, with an insider adding, "He's so discreet and always has her back.

"He's very much a gentleman and everything that Kylie deserves."

In her recent cover story with British Vogue, Kylie again kept mum about the romance as she shared, "Privacy is so important to me in life."

Still, the outlet made no secret of her beau, referring to Timothée as "her partner" in the interview.