How to Make a Bun Sexier

The key things here:

1) It's high but not too high. Topknots are chic, but they have a librarian element that dudes just don't get.

2) There's a little something more going on than just a regular bun—there's a piece of hair wrapped around the base. Again, this fights the "librarian" thing that men can get so caught up on with buns.

And 3) she dressed it up with a bright lip. This makes the whole thing look dressy as opposed to "I just thew my hair up."