An insider tells PEOPLE that Jenner is "very upset" and supporting Guerrero's family "financially" Kylie Jenner is mourning the loss of a close friend. A source tells PEOPLE the mogul is "shocked" by the sudden death of her longtime hairstylist Jesus Guerrero.

Jenner doesn’t want Guerrero’s family “to stress about money.” Kylie Jenner is reportedly “shocked” and “very upset” over hairstylist Jesus Guerrero’s sudden death—and is covering his funeral expenses.

Jesus Guerrero, celebrity hairstylist whose clients included Kylie Jenner, Demi Moore, and Jennifer Lopez, has died at age 34, his family announced over the weekend.