I thought they all are all funny but that last one is my favorite video Liz ever done.
With the first one, if you don't know who that guy is and all he's done it's not going to make much sense etc.
I think the vanilla ice thing was funny. I heard him a lot when I was just a little kid so it cracks me up to see someone do something like that.
And the last one, well that speaks for itself. it's just freakin' hilarious