Purple rained down on the world's music venues and iconic landmarks on Thursday (Apr. 21) as they lit up in honour of the late music superstar Prince. Following the shocking news of his death earlier that day, the LA City Hall, the New Orleans Superdome, the Eiffel Tower and more were bathed in violet in memory of the "Purple Rain" singer.

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The marquee of New York City's Apollo Theatre, where Prince played a number of times throughout his career, was changed to read: "In honour of the beautiful one Prince" – a reference to his song The Beautiful Ones – followed by "Nothing compares 2 u. 1958-2016."

The Forum in Inglewood, California, San Francisco and Los Angeles' City Halls, honoured the star, as did the Omni Hotel in Dallas where the side of the building spelled out "Purple Rain."

The stadium of Prince's hometown baseball team, the Minnesota Twins, also lit up purple in his memory.

Fans, meanwhile, decorated the fence outside Prince's Paisley Park home in Chanhassen, Minnesota with bouquets of purple flowers and tributes upon hearing the news of his death.

The music icon was found dead at his Paisley Park compound on Thursday. He was 57. A cause of death has not yet been determined.

As cities around the world paid tribute, celebrities took to Twitter to express their shock and sorrow at the news.

"He Changed The World! A True Visionary," Madonna tweeted. "What a loss. I'm Devastated. This is Not A Love Song."

"Prince, NOTHING COMPARES…" wrote Justin Timberlake, while Katy Perry added: "And just like that… the world lost a lot of magic. Rest in peace Prince. Thanks for giving us so much…"

Rolling Stones star Ronnie Wood paid tribute by sharing an old photo of him and Prince performing together. "I will miss a good friend who was so talented," he wrote. "He was such a great performer/ guitar player. Sleep well Prince."