Elton John turns 70 with a star-studded bash and a cameo by Prince Harry

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Happy birthday, Elton John! Elton and his husband, David Furnish, celebrated the legend's 70th Birthday and 50-Year songwriting partnership with Bernie Taupin on Saturday evening with a gala. The night benefited the Elton John AIDS Foundation and the UCLA Hammer Museum. Taking place at RED Studios in Hollywood, the bash was star-studded. Photo: Michael Kovac/Getty Images

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Katy Perry shimmered in Rasario at Elton's 70th celebration in L.A. Photo: Michael Kovac/Getty Images

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Neil Patrick Harris and his husband David Burtka were also on hand to celebrate with Elton. Photo: Michael Kovac/Getty Images

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Heidi Klum looked chic in a black and white ensemble with popping red lipstick. Photo: Michael Kovac/Getty Images

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John Hamm reunited with his 30 Rock co-star Jack McBrayer at the L.A. bash. Photo: Michael Kovac/Getty Images

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Prince Harry even made a cameo at the gala, appearing via video to wish Elton a happy day! Seen here, Prince Harry and Elton talk at the Royal Variety Performance at Royal Albert Hall in London back in 2015. Photo: PAUL HACKETT/AFP/Getty Images

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The Grammy-winner gave fans a look at his family’s private birthday celebration ahead of the big gala. Elton shared an Instagram of him and his sons, Elijah and Zachary, at their home, eying a delicious looking cake. The singer wrote, "Birthday bliss." Photo: Instagram/@eltonjohn

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The singer gave fans a look at his big day, sharing photos and videos to Instagram. He wrote: "A huge thank-you to all my Facebook friends for the fabulous birthday card signed by all of you! #HappyBirthdayElton" Photo: Instagram/@eltonjohn