Police said the young man, named Edenilson Steven Valle, was found in the early hours of Sunday morning, following a party the night before,
Hollywood actress Demi, 51, is said to be in ‘absolute shock’ following the death, which occured at her home in Los Angeles while the actress was not at the property.
After the body was spotted floating in the pool early on Sunday, emergency crews were called to the home where Paramedics treated the victim.
Sadly, he could not be saved, and Valle was pronounced dead soon after.
Family members of the victim have told police Edenilson could not swim, and it is being though he may have fallen in to the pool during the party.
Demi bought the sprawling mansion with former husband Ashton Kutcher, but decided to stay at the property after their divorce.
In a statement, the actress said: ‘This is an unthinkable tragedy, and my heart goes out to this young man’s family and friends.’