The Kessler Twins die by assisted suicide on the same day aged 89

Performers Alice and Ellen Kessler have died aged 89 (Picture: Arthur Grimm/ United Archives via Getty Images)Twin sisters who worked with entertainers including Frank Sinatra and Fred Astaire have died aged 89.Alice and Ellen Kessler, who were usually referred to as the Kessler Twins, were sisters from Germany who worked in singing, dancing and acting throughout Europe in the 1950s and 1960s.Throughout their career they also worked with stars including Sammy Davis Jr., Dean Martin, Bing Crosby