From the remarkably useful Wikipedia web site; Louella Parsons--
'She was especially known for her uncanny ability to scoop her competitors with the juiciest stories and for knowing all the secrets of everyone in screendom.'
'(She) established herself as the social and moral arbiter of Hollywood. Her judgments were considered the final word in most cases, and her disfavor was feared more than that of movie critics. Her column was followed religiously and thus afforded her a unique type and degree of power.'
'Her formidable power remained unchallenged (for years to come..)'
Louella Parsons has two stars on Hollywood's Walk of Fame,
one for film the other for radio.
Soon after Susanna premiered for Universal in 'Phantom of the Opera', Louella Parsons would write in her column:
“Susanna Foster establishes herself as one of the great stars of today.”