LOS ANGELES (Reuters) - Rapper Little Wayne toppled Elvis Presley to become the new King of the Billboard Hot 100 singles chart on Thursday, with a total of 109 songs, Billboard said. Wayne, who also celebrated his 30th birthday on Thursday, surpassed Presley's count of 108 entries in the Hot 100 singles chart between 1958 and 2003, as an artist on rapper Game's latest track "Celebration." That track also features Chris Brown, Tyga and Wiz Khalifa, entering the chart at No. 82 this week. The rapper, nicknamed Weezy, released his debut studio album "Tha Block Is Hot" in 1999. ...