Not all that pretty... yet strangely attractive...
I have to chalk it up to her personality and the way she moves.
If I just look at her features, she would rank barely more than average. However when she smiles and when she's animated on screen, I can't help but find her a rather attractive woman. In fact she seems to have a bit of a tomboy charm with her Office character which is a refreshing change.
It just goes to show that sometimes personality and expression can be the key to true attractiveness!
_______
The American CEO is analogous to the Appendix...