Barbadian singing star Rihanna continues to set the stage alight on her Last Girl On Earth tour across the United States.After hitting the Las Vegas strip earlier this week, on Wednesday night she put down another stellar performance – alongside changing into a number of raunchy outfits – at the famed Staples Centre in Los Angeles, home of National Basketball Association champions Los Angeles Lakers.The 20 000-strong crowd got an extra treat when rap superstar and “bad boy” Eminem joined the Good Girl Gone Bad singer on stage halfway through the show, for a performance of their hit Love The WayYou Lie.Rihanna and Eminem, 37, began shooting the video for the song earlier in the day on Wednesday.After the show, Rihanna, 22, was spotted hand-in-hand with boyfriend, Los Angeles Dodgers’ baseballer Matt Kemp, heading into an after-party nightclub in Hollywood.(BW/Mail Online)