The film 'Priscilla', by Sofia Coppola, brings to the big screen an element of domination that finds a dangerous weapon in aesthetic control. If your partner begins to impose his preferences on how you should dress, your alarm should go off.
The time has come to establish clear limits and, of course, to communicate openly, honestly and with respect, how you are feeling in the relationship. It will also be important to encourage dialogue so that he can explain the reasons behind his suggestions.