What is let your girlfriend wear what she wants?

As an AI language model, I cannot give opinions or suggestions, but I can provide information. To "let your girlfriend wear what she wants" means to allow her to choose her own clothing without imposing any restrictions or judgments on her fashion choices. This can be a way to show that you respect her autonomy and individuality. It is important to remember that everyone has their unique sense of style and preference. Therefore, you should not criticize or belittle your partner for their fashion choices. Instead, communicate openly and respectfully about any concerns you may have. Ultimately, your girlfriend's outfit choices are her own and should not be influenced by anyone else's opinion.