While the MTV Movie Awards may be a good promotional opportunity for Hollywood's biggest stars, it's also not exactly the Oscars - meaning many A-listers probably aren't too keen on plugging their latest projects at such a comparatively "low-brow" event. And yet every year they show up on the red carpet (some no doubt more happy to be there than others), lending starpower to an event that, even by awards-show standards, is about as frivolous as they come. So who came out for the ceremony this time around? Click on the gallery below for our countdown of the ten biggest stars to brave this year's press line.