Speaking before the nuptials, a source told Britain's Mail on Sunday, "Neil and Katie are ecstatic. She's been bubbling about the wedding for weeks now. It will be a classy affair with close friends and family. Neil got burned financially in the last divorce but he's an old romantic at heart and can't wait to get married again."
The veteran crooner was previously married to his high school sweetheart, teacher Jayne "Posey" Posner, but they split in 1969 after six years of marriage. He divorced his second wife, Marcia Murphey, in 1995. Diamond has two children from each marriage.