When the DJ announced a contest, the phones 'lit up'. [=the lights on the phones lit up because many people were calling]
His eyes/face 'lit up' [=he looked very happy and pleased] when she walked in the room.
He 'lit into' his employees for their sloppy work. [=he criticized them very harshly]
(..) of flame. And it was quite scary for a lot of people... ...when we did our first test on the night Peter wanted to see it. So we lit it all up, everyone was, you know, quite taken back, I think... ...by how much fire there was. As long as you control it, you know, that's what we do. (..)2012 The Hobbit: An Unexpected Journey
(..) Like the whole crew just heard me yelling like a tiny scared mouse. MAN: And cut! What's happened at this point is that Gandalf, he's lit a pine cone... ...and he's thrown a pine cone down into the Wargs. The whole mass of Wargs is down here going crazy. And they've made these pine cones that-- (..)2012 The Hobbit: An Unexpected Journey