I watched Star Trek VI about two days ago and thought Nichelle Nichols was a pretty woman
The crew were given a uniforms from Trek II onward that cleverly obscured the steadily expanding waist-lines that most of them were dealing with. Nichelle was not obese but she was chunkier than she was in TOS (and even TMP) and definitely not in the sort of shape you'd want to be for a strip-tease. This is probably why, as they filmed the scene, they tried to hide her middle and focus on flashing her legs.
I also think it's no particular badge of honor for a woman to be put into a strip-tease scene whether they can carry it off or not. It's objectification.
I think it should have fit in with the character we've known for years or at least actually had a reason to be in the movie other than 'Uhura is a lovely woman.' This goes in hand with the Scotty/Uhura scene, as well as Scotty's head vs. the bulkhead scene and so forth.
Exactly. Uhura as a character was much better served when she threatened the transporter operator in Trek III.
The strip-tease is a low-brow Looney Tunes way of having the characters try to get out of a jam. It's just bad writing.