Donna Summer, long held as the "Queen of Disco," has died of cancer at the age of 63, according to CBS News. "We are at peace celebrating her extraordinary life and her continued legacy," Summer's family said In a statement Thursday.

Summer, a five-time Grammy winner, became famous during the 1970s, with hits such as "Last Dance," "Hot Stuff" and "Love to Love You Baby." Her song "She Works Hard For The Money," a feminist anthem, was one of the biggest hits of the '80s.

Celebrities have been offering their condolences to Summer's family via Twitter. "Deepest sympathies go out to Donna Summer's family today. We lost the soundtrack of the 70's..never forgotten," singer and actress Vanessa Williams tweeted.

"Wow, another legend gone. Rest in peace to the beautiful disco queen Donna Summer," rapper Nicki Minaj said on her Twitter profile.

"My deepest condolences got out to the family of Donna Summer regarding the passing of a true legend," Bret Michaels wrote.

Watch a video of Donna Summer performing her hit "On the Radio" in 1979:

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