The tables turned on Justin Bieber when he sat down with Ellen DeGeneres on Friday. Although the pair usually teams up to scare people together , Ellen decided to prank Justin this time. Mid-interview, as she asked Justin about the upcoming Comedy Central roast, a man in Calvin Klein underwear popped out of a box designed to look like a table beside Justin’s chair. The singer freaked out, screaming before saying, “Why me? I’m the prankster!” Ellen joked, “He was trying to be as good-looking as you.”