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FILE - In this May 4, 2015 file photo, Cher arrives at The Metropolitan Museum of Art's Costume Institute benefit gala celebrating "China: Through the Looking Glass" in New York. From drought-shaming to eco-boasting, willing or not, celebrities play a role in raising awareness about the debilitating drought in Calif. Cher, a Malibu resident, has let her grass go brown and has talked about the water shortage on Twitter. (Photo by Charles Sykes/Invision/AP, File) Image Credit: Charles Sykes/Invision/AP

Singer and actress Cher turned 70 on Friday, prompting fans to take to Twitter to celebrate the pop diva’s career spanning over five decades.

The California native gained musical recognition as part of duo Sonny & Cher in the 1960s before embarking on a solo career that made her a household name, with hits such as Dark Lady, If I Could Turn Back Time and Believe.

Fans marked the occasion by posting their favourite pictures of the music star, who has some 25 studio albums, a Grammy Award as well as an Oscar to her name, on Twitter.