by Raymond V. Raymond singer Usher is not only topping the U.S. Billboard Hot 100, his reign extends to Australia where “OMG,” his latest single, picks up another week atop the ARIA chart. Reportedly no.1 on the ARIA singles chart for three weeks, Usher earned a fourth week Sunday besting advancing singles from Ke$ha and B.o.B. “OMG,” a follow up to his single “Daddy’s Home (Hey Daddy),” is also no.1 on the UK Singles Chart.
