Seth Rogen took off his pants. Jamie Foxx pimped out his daughter. But by far the most uncomfortable moment of the MTV Movie Awards on Sunday night came when Parks and Recreation actress Aubrey Plaza stage-crashed Will Ferrell’s acceptance speech. The audience uncomfortably squirmed, wondering whether the bit was planned. On Monday, MTV said it was not a rehearsed moment, and Plaza was escorted from her seat during the next commercial break.