We discuss why we think Edwardian women look like mermaids and the influence of jazz on interwar British art and design. Lucile gown (1911): https://collections.museumoflondon.org.uk/online/object/81608.html Camille Clifford: https://www.npg.org.uk/collections/search/portrait/mw178842/Camille-Clifford-Camilla-Antoinette-Clifford Paule Morly: https://commons.wikimedia.org/wiki/Category:Paule_Morly#/media/File:MORLY,_Paule_%C3%89toile._764-69._Photo_Stebbing.jpg Annette Kellerman: https://maas.museum/event/million-dollar-mermaid-annette-kellerman/ Edmond (Edmund)Dulac: http://expositions.bnf.fr/contes/grand/091_2.htm Rhythm & Reaction at Two Temple Place: https://twotempleplace.org/exhibitions/rhythm-and-reaction/ Autograph ABP: http://autograph-abp.co.uk/ Mark Matera, Black London (2015): https://www.ucpress.edu/book.php?isbn=9780520284302