Kylie Jenner and Timothée Chalamet, one of Hollywood's most closely watched couples, are facing mounting strain as the actor's rising profile and demanding awards-season schedule collide with reported insecurities inside the relationship, according to people familiar with the situation.

The 28-year-old billionaire beauty founder is said to be increasingly anxious about her 29-year-old partner's visibility and the attention surrounding his latest film projects, including an aggressive promotional push tied to his starring role in Marty Supreme. One insider told GLOBE Magazine, "Women are throwing themselves at him all the time - she knows that - so it's causing anxiety and eating away at her insecurities."

Sources describe Jenner as reluctant to confront Chalamet directly or issue ultimatums, fearing she could appear "too desperate." Instead, she has allegedly adopted a quieter strategy. According to the same insider, Jenner is "taking other measures to find out where he's at and what he's up to" during periods when the couple is apart.

The tension has been compounded by Chalamet's distance from Jenner's family. His absence from Kris Jenner's recent 70th birthday celebration was widely noted within the Kardashian-Jenner circle and interpreted as a sign of limited interest in integrating into the family's highly public-facing world. One source said it was "now crystal clear he wants little or nothing to do with Kylie's family and sees her as little more than a glorified booty call."

While insiders acknowledged the assessment "sounds mean," they framed it as a reflection of Chalamet's priorities as his career accelerates. "Timmy really has gotten everything he wanted out of this relationship and there's just not a lot of incentive for him to stay," the source added.

Family members, including Kim, Khloé and Kourtney Kardashian, are reportedly urging Jenner to reconsider the relationship, warning that her visible attachment may be intensifying the imbalance. According to one insider, they believe her behavior is "only driving the Dune actor further away."

Concerns have also surfaced around Chalamet's commitment to exclusivity. GLOBE Magazine previously reported that after being with Jenner for "over two years," the actor was "hankering for an open relationship" and had grown "bored of hookups with Kylie." Friends cited by the publication said he has had "a lot a roving eye for a while."

The strain comes at a particularly vulnerable moment for Jenner. Chalamet's professional obligations have sharply limited their time together. "Timmy is in full-blown Oscar promo mode right now and has very little time for Kylie and is blowing her off when she asks to hang out," the insider said.

Despite growing pressure from her family and widening emotional distance, Jenner remains deeply invested. "But she's still totally hung up on him and can't let it go," the source said.