**Spoilers for 'Serious Moonlight' ahead**
He says co-operation without Bowie's estate won the filmmakers a certain freedom
The film is out tomorrow
An eclectic mic of stars raise a glass to the musical trailblazer on his birthday
"I don’t know how he got my email address. He’s like the FBI"
Bowie died five years ago on January 10
It's part of a new Bowie tribute album
Duran Duran, Adam Lambert, Boy George and many others also took part in the virtual show
Today marks the fifth anniversary of Bowie's death