Frank Sinatra Jnr. has died in Daytona Beach hospital from a heart attack.
Sinatra was in town to perform a concert on Wednesday night, however suddenly died that afternoon.
The singer reportedly cancelled his show when he felt light headed and was raced to hospital.
The famous son of Frank Sinatra was kidnapped at 19 at Lake Tahoe in 1963 and held ransom for $240,000. He was later found safe, walking the streets of Bel Air.