The term 'A Spice Girl' refers to the British pop girl group of the same name, which was formed in 1994 and consisted of five members: Victoria Beckham (also known as POSH), Melanie Brown (Mel B), Melanie Chisholm (Mel C), Emma Bunton, and Geri Halliwell. The crossword solutions for this term are 'POSH' and 'MELC', which are abbreviations of the two members' names. Victoria Beckham is often referred to as 'POSH Spice' due to her sophisticated style, while Melanie Chisholm is known as 'Sporty Spice'.