Last week, the ever-so private Joe Alwyn and Taylor Swift were seen out together after Swift did a surprise performance at the Ally Coalition's Talent Show concert in New York City. Alwyn was a supportive boyfriend then, and last night, Swift got to play supportive girlfriend for his project. The singer was seen at the London premiere and after party of Alwyn's new movie Mary, Queen of Scots.

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Alwyn at the premiere.

Swift kept it very low-profile there: She was not photographed on the red carpet. One of the film's stars, Izuka Hoyle, shared a photo that she took of Swift at the after party. Swift has her hair up in a bun and appears to be wearing a black dress:

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This isn't the first time that Swift has attended the premiere and after party for one of her boyfriend's films. Swift was also at the New York premiere of The Favourite in September and was seen at the Los Angeles after party for the film.

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Swift and Alwyn have been together for two years now, although very, very privately. In every interview Alwyn has done where Swift has been brought up, the British actor has reiterated that their relationship isn't for public consumption.

'I’m aware people want to know about that side of things,' Alwyn said, acknowledging the public’s interest in him and Swift to British Vogue in September. 'I think we have been successfully very private and that has now sunk in for people…but I really prefer to talk about work.'

From: ELLE US
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Alyssa Bailey
Senior News and Strategy Editor

Alyssa Bailey is the senior news and strategy editor at ELLE.com, where she oversees coverage of celebrities and royals (particularly Meghan Markle and Kate Middleton). She previously held positions at InStyle and Cosmopolitan. When she's not working, she loves running around Central Park, making people take #ootd pics of her, and exploring New York City.