![Late Night Roundup: Valentine’s Day Blues](https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yMjgwMTg5OS9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTc3NTA1NTY0NX0.oA2-Gw3saEhXTrZgjawhwSlakxZ4seNA2DQ2IqW8oWs/img.jpg?width=980&quality=85)
David Letterman looked at the upcoming Valentine’s Day holiday, with a special gift commercial for people who can’t quite afford a diamond.
Jimmy Fallon also took on the Valentine’s Day season, with a review of a special Twitter hashtag, “#WhyImSingle”:
Seth Meyers brought on the host of the Westminster Kennel Club dog show, pitting a champion Italian Greyhound show dog in a talent competition against a special guest player: Seth’s own little Italian Greyhound, Frisbee.
Jimmy Kimmel gave a writing tryout for one of his great childhood heroes — but it just didn’t match up very well.