The term 'CABARET STAR' is composed of three crossword solutions: GREY (4 letters), MINNELLI (8 letters), and JOELGREY (8 letters). GREY refers to the actor Joel Grey, who is best known for his role as the Master of Ceremonies in the 1972 film adaptation of the musical Cabaret. MINNELLI refers to Liza Minnelli, an actress and singer who starred as Sally Bowles in the same film. Finally, JOELGREY is a combination of the two names, referring to both Joel Grey and Liza Minnelli, who together were the stars of Cabaret.