Rihanna has scored a fourth week on top of the U.S. singles chart with her "Rude Boy". The R&B star's hit keeps B.o.B's "Nothin' On Me" in second place for a third week and Train's "Hey, Soul Sister" at three.
Lady Antebellum's "Need You Now" and "Telephone" by Lady GaGa and Beyonce Knowles round out the new top five. And after debuting at the top of the album chart on Wednesday, April 7, Usher scores the Hot 100's highest new entry - "OMG" lands at 14.
"Rude Boy" is Rihanna's third U.S. single from her latest album "Rated R" which was released in the U.S on November 23, 2009. The Barbadian singer will start her "Last Girl on Earth Tour", promoting the record, on July 2.