"Robbie Williams has become a priest with a US church and conducted his first marriage ceremony, according to reports. Robbie, who reportedly wore a dog collar for the occasion, conducted the ceremony for his friend, Billy Morrison of eighties band The Cult and his girlfriend Jennifer Holiday."Whoah, hang on: is that the Jennifer Holliday? [The huge diva who sang And I Am Telling You, I'm Not Going? Oh, please let it be her. Even if she is reduced to playing gay leather weekends these days.