Stars including Lady Gaga, Olivia Colman, Christian Bale and Rami Malek are among the acting nominees for the Oscars.
The Canadian singer is the fifth headliner to be announced for the London event.
He will join his fellow Britain’s Got Talent alumnus Susan Boyle.
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In Pictures: Frost and fog herald chilly start to the week
In Pictures: Wintry scenes as snow and ice bring plunging temperatures
In Pictures: Drama outside Palace of Westminster as MPs make Brexit decision
In Pictures: Canary Wharf shines for Winter Lights festival
In Pictures: Harry and Meghan’s first engagement of 2019
In Pictures: Top gadgets showcased at CES in Las Vegas
In Pictures: Meghan visits charity as royal patronages announced
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January 22, 2008: Batman actor Heath Ledger found dead in Manhattan aged 28