• The glittering world of playwright and songwriter Noël Coward is on show in a new exhibition opening at the Guildhall Art Gallery this Monday. The much delayed Noël Coward: Art & Style, which marks the 100th anniversary of Coward’s West End debut as a 19-year-old earlier this year, brings together never-before-seen materials from the Coward Archive and demonstrates the impact he and his creative circle had on the culture of his time – and today. Highlights include an original page of Coward’s handwritten lyrics for Mad Dogs and Englishmen, the chocolate brown evening suit he wore in the film Boom!, two of his signature silk dressing gowns, his iconic ‘Hamlet’ chair, and several of his own paintings. There’s also a specially commissioned new reconstruction of the iconic white satin dress that Molyneux designed in 1930 for Gertrude Lawrence in Private Lives and a never-before-exhibited gold lamé theatre cape by Lucile (Titanic survivor Lady Duff Gordon) from 1920. The exhibition, which is free, runs until 23rd December. Tickets must be booked in advance. For more, see www.cityoflondon.gov.uk/noelcoward.

• A new portrait depicting Dido Belle (1761-1804) has gone on display at Kenwood House – one of six works depicting historic figures from the African diaspora now on show at English Heritage properties across the nation. Belle, who is depicted by artist Mikéla Henry-Lowe, was the illegitimate daughter of a young black woman named Maria Bell and a Royal Naval officer, Sir John Lindsay. She spent much of her life at Kenwood House with her great-uncle William Murray, 1st Earl of Mansfield, the Lord Chief Justice. Other portraits in the series depict the likes of African-born Roman Emperor Septimius Severus (the work of Elena Onwochei-Garcia, it’s on display at Corbridge Roman Town on Hadrian’s Wall, Northumberland), North African-born 7th century Abbot Hadrian (the work of Clifton Powell, it’s on display at St Augustine’s Abbey in Kent) and Queen Victoria’s god-daughter Sarah Forbes Bonetta (the work of Hannah Uzor, it’s on display at Osborne House on the Isle of Wight). For more, see www.english-heritage.org.uk/learn/histories/black-history/.

• More than 25 works by Australian artists exploring debates around land rights and colonialism have gone on show in a new exhibition at the Tate Modern. A Year in Art: Australia 1992 takes as its starting point the High Court of Australia’s landmark 1992 Mabo ruling which overturned the doctrine of terra nullius. Works on show include Emily Kame Kngwarreye’s 1989 Untitled (Alhalkere) – an expression of her cultural life as an Anmatyerre elder, Gordon Bennett’s 1991 work Possession Island (Abstraction) which is presented in dialogue with Algernon Talmage’s 1937 work The Founding of Australia 1788, and Tracey Moffatt’s 1997 photographic series Up in the Sky, which speaks to the ‘Stolen Generations’ – the forced separation of Aboriginal families by government agencies. At the heart of the display is Vernon Ah Kee’s 2010 four-screen video installation tall man which shows footage of the protests and riots following the death in custody of Mulrunji Doomadgee on Palm Island in 2004. The exhibition is free. For more, see www.tate.org.uk.

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