Rebel Wilson has led a raft of celebrity tributes after a terrorist attack at Australia's Bondi Beach.

The comedian declared the incident an "absolute tragedy" after taking to social media in the wake of the shooting at a Hanukkah event on Sydney's Bondi Beach, which left at least 16 people dead and dozens injured.

"Just waking up to the news about what's happened on Bondi Beach," Rebel, 45, wrote on Instagram before describing the event as "un-Australian".

"An absolute tragedy that is the most un-Australian thing to have happen," she wrote. "We shouldn't have gun violence in Australia, we shouldn't have anti-Semitism - it's not us! Thinking of everyone affected by this devastating violence."

Fellow comedian Jerry Seinfeld, 71, shared an image of a blue Star of David, a symbol of Judaism, in the aftermath of the massacre.

Australian pop star Troye Sivan, 30, told fans his heart was "broken" over the attack on "the Australian Jewish community - my community."

"Thinking tonight of the victims and their families, the Bondi and wider Sydney communities, and for every Jewish person in this country. This is not who we are as Australians," he wrote.

Singer Mandy Moore, 41, described the incident as "absolutely devastating".

"On the first night of Hanukkah and in a country with very strict gun control laws," she wrote on Instagram. "Absolutely devastating. My heart is with all my Jewish friends around the world."

Actor Ashton Kutcher, 47, expressed his sadness on X. "Anti-Semitic rhetoric is not abstract- it carries a cost, and my brothers and sisters continue to pay it," he wrote. "May this devastation somehow spark a hidden miracle, one our eyes do not yet have the merit to see."

A rep from rock band Garbage, who had been playing a show at the Sydney Opera House on the night of the attack, shared a post to Instagram demanding an end to religious violence.

"We love you so much Sydney," the post stated. "F**k all this vile antisemitism. F\*\*k Islamophobia. The killing has to stop. It is insane and wildly cruel. We have to find a way forward," the band wrote on their official Instagram account.

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