Whitney Houston's manager was reportedly seen to by paramedics at the superstar singer's burial on Sunday (February 19).
Music producer David Gest, famous for his former marriage to Liza Minelli, revealed to a newspaper that the late star's sister-in-law and manager Pat Houston started hyperventilating at the gravesite.
Whitney in her prime in 1994
He told The Sun: "The grief was so overwhelming for Whitney's sister-in-law and manager Pat Houston that she started hyperventilating at the graveside and paramedics had to be called to assist her.
"Pat was a brilliant manager and I remember Whitney telling me when we met in Copenhagen last March that Pat really kept her organisation running smoothly."
He added: "Family was important to Whitney and they have always been involved in the daily operations of her organisation. Pat was not only a manager but a best friend, like another sister.
"Whitney told me she could always confide in Pat and nothing was ever leaked to the press."