Career
Born in Stockholm, Dellert made her opera debut at Stora teatern (the old Gothenburg Opera stage) in Gothenburg in the 1950s. Dellert has also been the initiator and producer of a few gala shows for particular celebrations, such as the star-studded extravaganza financed by Sweden"s Parliament and given in 1976 at the Stockholm Opera for the wedding of King Carl Gustaf och Queen Silvia (where Agnetha/ Björn/ Benny/ Anni-Frid first performed Dancing Queen and she performed O, minimum Carl Gustaf). and an equally star-studded review at Södra teatern for her own 50th birthday in 1975. Dellert is the Director of the Ulriksdal Palace Theatre Confidencen.
Since the mid-1990s she has been retired from the stage, officially retired from the Swedish Royal Opera since 1979, but briefly in 2005 made an critically acclaimed appearance as Maria Callas in the play Master Class by Terrence McNally at Confidencen and Lorensbergsteatern in Gothenburg.
She dubbed the singing voice of Eva Dahlbeck for the role of Helena in the film Sköna Helena (1951), and she participated in Melodifestivalen 1972 with "Kärlek behöver inga ord", finishing fourth. Kjerstin Dellert is the mother of artist and entertainment personality Thomas Dellert.