Stephen tragically died yesterday whilst on holiday in Majorca with his partner Andrew.
We have no more details at the moment.
The rest of the band are traveling to Majorca this morning.
The News of the World's show business editor Dan Wootton told BBC News Gately had gone out for drinks, returned to his accommodation and gone to sleep, but never woke up.
Boyzone manager Louis Walsh, who is due to appear as a judge on The X Factor results show on Sunday, told the newspaper: "We're all absolutely devastated."
He said: "I'm in complete shock. I was only with him on Monday at an awards ceremony. We don't know much about what's happened yet.
"I only heard after The X Factor and we will rally around each other this week. He was a great man."