Today on TBTL, Luke and Andrew learn some surprising things about Leonard Nimoy, and then (like the rest of America) they discuss the color of a dress and llamas on the loose.

Plus, a woman in Washington says she was able to close an unsightly gap between her two front teeth using nothing but some store-bought rubber bands. Dentists are warning people against do-it-yourself orthodontia, but Luke -- who suffers from a gap-tooth grin himself -- is tempted to take matters into his own hands.

In today's screencap of the TBTL Skype session, Luke shows off his diastema: