English singer and songwriter Louis Tomlinson's sister Felicite has died after suffering a suspected cardiac arrest at the age of 18.
Emergency services were called to her Earl's Court flat in west London on Wednesday afternoon where Felicite was pronounced dead at the scene.
Officials have told the media that her death is being treated as"unexplained" but a post-mortem will be undertaken to determine the exact cause of her passing.
According to British tabloid The Sun, the One Direction singer has been left"devastated and distraught" by her death. Louis is reportedly in London for a now-cancelled appearance on Friday night's Comic Relief.
Felicite, who has 1.3 million Instagram followers, was an aspiring fashion designer. Tributes have been flooding in for the popular social media influencer.
May you rest in peace Felicite Tomlinson.