R&B diva Mariah Carey has officially announced details of her new single, reports Digital Spy. 'Triumphant (Get 'Em)' will be released at the beginning of August and features Rick Ross and Meek Mill. "I wrote TRIUMPHANT when I was going through a difficult time & it helped me get through it. When u hear it, pay attention 2 the lyrics #WIN (sic)," she tweeted. It's the first new material from the singer since 2009's Memoirs of an Imperfect Angel. Meanwhile, the star is close to finalising a deal to become a judge on American Idol, Deadline reports. Mariah, whose husband recently joked that she would be too expensive for Idol producers, is said to have negotiated a deal worth $17 million.