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LOS ANGELES - Disco legend Donna Summer died Thursday after a battle with cancer.

The Grammy-winning singer had numerous hits in both the 1970s and 1980s, including "Last Dance," "She Works Hard for the Money" and "Bad Girls."

Summer was 63.

Her family confirmed the death to NBC-owned E! Entertainment with the following statement.

Early this morning, we lost Donna Summer Sudano, a woman of many gifts, the greatest being her faith. While we grieve her passing, we are at peace celebrating her extraordinary life and her continued legacy. Words truly can't express how much we appreciate your prayers and love for our family at this sensitive time.

Sources tell TMZ that Summer was trying to keep the extent of her illness under wraps. That source said Summer was doing fairly well, and was in fact trying to finish up an album she had been working on.

Summer gained prominence during the disco era of the 1970s, and released a number of albums that have reach gold or platinum status, including the multiplatinum "Bad Girls" and "On the Radio, Volume I & II." Her No. 1 Billboard Hot 100 hits include "Hot Stuff" and "MacArthur Park."

Her sound was a mix of genres, and helped her earn Grammy Awards in the dance, rock, R&B and inspirational categories.

She released her last album, "Crayons," in 2008. She also performed on "American Idol" that year with its top female contestants.