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In page Grace Slick:

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Between 1985 and 1999, Slick was the oldest female vocalist on a Billboard Hot 100 chart-topping single. "We Built This City" reached number one on November 16, 1985, shortly after her 46th birthday. Previously, the distinction of the oldest female vocalist with a chart-topping single was Tina Turner, who at age 44 had 1984's number-one smash, "What's Love Got To Do With It". Turner (who was one month younger than Slick) turned 45 two months after the song topped the charts. Slick broke her own record in April 1987 at age 47 when "Nothing's Gonna Stop Us Now" topped the US charts. Her record stood for 12 years but was ultimately broken by Cher, who was 53 in 1999 when "Believe" hit number one.[citation needed]