One Direction star Louis Tomlinson‘s sister, Félicité Tomlinson has died from a suspected cardiac arrest at her studio apartment in Earls Court, West London.

Police were called to her home by a friend who was with her at the time of the incident. Félicité was pronounced dead at the scene, and her body will go through a postmortem examination to determine cause of death.

Félicité, also known as Fizzy, work as a model and influencer with over 1.3 million followers on Instagram. She had a clothing line and fought against body shaming.

Louis has yet to publicly addressed his sister’s death, but he has cancelled an upcoming appearance at the Comic Relief show.

Friends and fans have taken to social media to show Louis their support during this grueling time. The Late Late Show host James Corden even gave his condolences to Louis.

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“Such incredibly sad news today. You’re not on your own in this @Louis_Tomlinson. So many people are pulling for you and your family right now x,” tweeted Corden.

Félicité was one of seven siblings, including her brother Louis. Their mother, Johanna, died from leukemia in 2016.

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Louis released a single, “Two of Us,” in tribute of his mother earlier this month.

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Family ❤️

A post shared by Félicité Tomlinson (@felicitegrace) on