United Kingdom, April 3 -- Jesus Guerrero needed "rest and help" before his sudden death at the age of 34.

The celebrity hairdresser - who had worked with the likes of Jennifer Lopez, Selena Gomez and was also known for being the best friend of Kylie Jenner - passed away earlier this year and whilst no cause of death has been determined just yet, his family have revealed that he had recently been diagnosed with gastritis, which is a swelling of the stomach lining.

His sister Gris told UsWeekly: "He was diagnosed with gastritis months back, but it was never anything to get that bad. So we don't know if that was a part of it." He didn't tell a lot of people.

"People who saw him said, 'You need to get rest and help,' and he seemed to beli...