Source: Aaron J. Thornton/WireImage Allen Berezovsky/Getty Images In what sounds like the plot of a very chaotic Hollywood fever dream, Usher and Justin Bieber reportedly got into a heated confrontation at an Oscars after-party hosted by none other than Beyoncé and Jay-Z-because of course they did. According to TMZ, the two artists had what's being described as an "intense" exchange that may or may not have flirted with turning physical, depending on who you ask.