Alicia Keys makes surprise appearance at 10th anniversary celebration of Sam Smith’s debut album

Alicia Keys made a surprise appearance at Julius — the city’s oldest gay bar — for a 10th anniversary celebration of singer Sam Smith’s debut album, “The Lonely Hour,” during Pride in NYC.

New York’s funniest drag queen Lady Bunny DJed the bash, and ended up hazing the singer-turned-Broadway composer.

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Lady Bunny pretended not to know who Keys was — and introduced the singer as Alice Keys instead.

“I said she was an emerging new artist,” Bunny shared on social media. “She was a great sport, and giggled at it. Sam was super nice and sounded fab!” Bunny added.

The performer also complimented Keys in her post, apologizing for not playing her 2005 song “Unbreakable.” “To me, that’s a masterpiece!” Bunny wrote.

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Meanwhile, fashion designer Christian Siriano celebrated Pride earlier in the week with his “Rupaul’s Drag Race” muse Gottmik at Park Lane’s Darling Rooftop on Wednesday night.

The drag artist hosted the “Pride in the Park” event, which was so packed, “Gottmik climbed over a table to get to Christian when he arrived,” a spy told Page Six.

Another source told us the duo were “posing up a storm” and dancing all night.

We hear Kelly Bensimon was also on the scene dishing about how excited she is about her upcoming nuptials to Scott Liner.

Diane Brill struck a pose with designer Marc Bauer at the event that benefited the Henrick-Martin Institute.

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Speaking of designers, LaQuan Smith honored celebrity stylist Law Roach at Emil Wilbekin’s Native Son Awards at the IAC building.

A source told Page Six that Roach was in such great spirits, he donated $10,000 to the Black gay empowerment organization.

Don Lemon hosted the event, which also brought out Lena Waithe and Jeremy Pope.