Everyone needs an LBD and this £45 version from M&S gets our vote

Looking at the recent weather forecast, we’re adding this into our basket PRONTO! (Picture: M&S/Metro/Getty)
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If you don’t know the acronym LBD, we’ll assume you’ve been living under a rock.
Though there is a grey area over whether LBD means little black dress or long black dress, but we’ll leave you