"Shakespears Sister" is an English pop and alternative rock musical act that was formed in 1988 by singer–songwriter Siobhan Fahey, a former member of Bananarama. Based in the United Kingdom, "Shakespears Sister" was initially a solo act, but by 1989 it had become a duo with the addition of the American musician Marcella Detroit. Together they released two Top 10 albums and a string of Top 40 hits, including the 1992 hit "Stay" which peaked at No. 1 in the UK for eight consecutive weeks. In 2019, Fahey and Detroit reunited as "Shakespears Sister" for a tour and released a single, "All the Queen's Horses".

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