Melanie Marie plays Janice Mayhew , an unnervingly calm tax auditor assigned to a family-owned pie shop in Yorkshire. The "top" in question is a mint-green twin-set (cardigan and shell top), which became a minor fashion meme in the UK for a fortnight following the episode’s airing.
It seems you're asking for a report or clarification on a BBC program or segment involving the terms and "Marie" — possibly a specific episode or interview. bbc pie melanie marie top