Nicki Minaj, Keith Urban join "American Idol" as judges

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Singer Nicki Minaj arrives for the 2012 MTV Video Music Awards in Los AngelesLOS ANGELES (Reuters) – Rapper Nicki Minaj and country singer Keith Urban have signed up as judges for TV singing contest "American Idol," Fox television said on Sunday. They will join Grammy-winning artist Mariah Carey for the 12th season of the show when it returns in January 2013. Randy Jackson, the only remaining member of the original panel, will remain with the show, which lost some 20 percent of its audience last season. The new judging line-up follows the departures earlier this year of Aerosmith frontman Steven Tyler and singer-actress Jennifer Lopez after two years. …