Katie Cassidy opened up about her challenging ... The actress was born during David's affair with former model Sherry Williams, which began when he was still married to second wife, Meryl Tanz.

April 12 would have been David Cassidy’s 75th birthday ... David’s daughter, Katie, from his relationship with model Sherry Williams, also took to Instagram to share a photo of herself ...

April 12 would have been David Cassidy’s 75th birthday — a time to ... David’s daughter, Katie, from his relationship with model Sherry Williams, also took to Instagram to share a photo of herself ...