The 38-year-old pop superstar stepped out of the spotlight in November 2024 as she wrapped up her Las Vegas residency at The Colosseum at Caesars Palace.
However, a new report suggests she has left her home in Los Angeles and flown to London, where she has been spotted at Church Studios in Crouch End, North London - the venue owned by producer Paul Epworth where she recorded parts of her 2015 album 25.
A source told The Sun newspaper the singer had been busy writing and recording new music there.
"Adele is spending at least a fortnight in London writing and recording music," the source told the newspaper.
"She was in and out of sessions last week and will be back in there this week, but she is keeping a low profile while she is here.
"She feels safe at Church Studios and it's where Paul is based, so it made sense to travel over for the Âsessions, rather than work somewhere else in LA."
Bon Iver frontman Justin Vernon was also spotted at the studios last week but it's not known if he has been working with Adele.
Gracie Abrams was also spotted shooting a music video outside the building.
Artists including Blur, Oasis, Coldplay and Sir Paul McCartney have all worked at the studio, previously owned by Eurhythmics star Dave Stewart.
The Sun reports Adele chose the location because she wants her new music to honour her hometown of London.
Since landing back in the UK, Adele has been photographed out and about attending actor Aaron Taylor-Johnson's recent birthday party and Lola Young's concert at the O2 Academy Brixton.
In November 2024, as the Hello hit maker brought her Weekends with Adele residency at The Colosseum at Caesars Palace to a close, Adele told the audience she wanted to do a residency so she could spend more time with her young son Angelo.
"I chose to do a residency maybe because I f***ing hate touring. But I chose to do a residency so I could keep his life normal," she said.
"And I did do that. But I also wouldn't change it for the world.
"I get to be with him (Angelo) on the weekends now because obviously he can't always come. So I love you to bits. ... Thank you for being patient for me."
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