Sharon Graham, the general secretary of Unite, blasted both Ms Reeves and Keir Starmer for dithering over producing Labour's plan to revitalise Britain's armed forces.
The businesswoman, 73, who has been married to the Black Sabbath legend from 1982, poignantly remembered her one and only soulmate, seven months after he passed away.
The prestigious charity evening returned to the city in typical glamorous style, with the actress, 67, getting emotional as she watched the dancing ceremony.
Sharon Osbourne could be about to run in the upcoming elections for Birmingham City Council against a convicted terrorist - and in an area where eight out of ten voters are Muslims.
Mrs Osbourne, wife of the late Ozzy Osbourne, said she would move to Birmingham and run in the ballot for the inner-city Sparkhill ward to prevent Shahid Butt from gaining a local council seat.