Being nominated for eight Grammy Awards is apparently not enough for Tha Carter, so Lil Wayne is taking over TV, too. First, Katie Couric was crushing on him, big-time. And then David Letterman handed off the Top 10 List to the heavily tatted talent (see vid above). Catching Wayne mania yet? Get more with Grammy predictions, videos, photos gossip and all the news in our Live From the Red Carpet 2009 Grammys section.