Re: Beverley & Dianas clothes...
Troi did look better in a uniform, and if I remember correctly Jellico said he wants formality on the bridge. So while doing her duties to the crew in her office, she could wear whatever she wants. That's how I understood his order.
Pray patience, Worship, I but try to help!
Couldst thou forswear thy pompous attitude
And promise thou shalt ne'er call me that name?