If the "Boks" you mentioned refers to a specific person or a slang term for a boxing event (often called a "boxing gala"), this could be the star-studded fundraiser you are thinking of.
While primarily a football event (featuring legends like Gary Neville and Jamie Carragher), it frequently attracts international sports stars and celebrities. Boks: gala w Manchesterze
Your query is slightly ambiguous but appears to refer to (the Springboks , South Africa's national rugby team) and a "gala" in Manchester . This likely relates to one of two high-profile events: If the "Boks" you mentioned refers to a