Happy Valley star James Norton showed off a dramatic new look while attending a screening of his latest film Joy on Monday (October 14).

The actor has ditched his light brown curly hair and gone for a darker shade, with his new locks gelled down and styled into a bowl cut.

Norton stars in Netflix's Joy alongside Bill Nighy and Thomasin McKenzie. The drama tells the story of Louise Joy Brown, the first person born through In Vitro Fertilisation (IVF).

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McKenzie plays embryologist Jean Purdy who works with scientist Robert Edwards (Norton) and surgeon Patrick Steptoe (Nighy) to make IVF a reality.

Meanwhile, Norton has been very busy recently, including wrapping filming on BBC period drama King and Conqueror Ireland.

Norton will play Harold, Earl of Wessex, alongside Game of Thrones' Nikolaj Coster-Waldau as William, Duke of Normandy and Eddie Marsan (Back to Black) as King Edward.

The series has been written by Sherlock Holmes' Michael Robert Johnson and focuses on William, Duke of Normandy and King Edward ahead of the Battle of Hastings in 1066.

The official synopsis for the period drama reads: "King and Conqueror is the story of a clash that defined the future of a country - and a continent - for a thousand years, the roots of which stretch back decades and extend out through a pair of interconnected family dynasties, struggling for power across two countries and a raging sea..."

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Norton has also just been cast in Peaky Blinders creator Steven Knight's new Netflix drama, House of Guinness.

The eight-episode series follows the aftermath of the death of Benjamin Guinness, who was behind the expansion of the famous brewery, and the impact his passing had on his four children.