A form fitting dress on a fit body, with no cleavage or excessive thigh exposure, has plausible deniability, but putting it all out there is not a good idea if you want to project dignity/authority in a work setting. Entertainment figures follow different rules; their power is based on their ability to fulfill fantasy, not deal with/lead actual people.
Really? You’ve never, as a woman, had a desire to look hot / sexy? I don’t mean sleazy or slutty, I mean attractively so. Never wanted to look desirable, project a certain image?
Sexy is not the same as slinky and is certainly not the same as slutty. We have a company holiday party every year, and thinking back I can’t remember what anyone wore (except for the one wife who always wears Missoni and looks great in it). I can, however, remember who got distressingly drunk and behaved inappropriately. The drunks always end up having to be fired, sooner or later, and usually not for drinking, at least not directly.