A Christian must always be dressed modestly (decently). Whether male or female, Jesus Christ must be revealed in your dressing. Modest means not extravagant, moderate or restrained in amount, extent, etc Decency means correct, honorable or modest Decent means conforming to standards of decency, avoiding obscenity, respectable, acceptable or good enough.
Do you know that you are God’s temple and God’s spirit dwells in you? John 14:23: Jesus answered and said unto him, If a man love me, he will keep my words: and my Father will love him, and we will come unto him, and make our abode with him. If the body is God’s temple, His temple must be dressed appropriately to His standards.
When it is only you and God, how you dress does not matter much because even when you are nude taking shower, sleeping naked, married couples having sexual intercourse, etc, God is there with you; dwelling in you. But it is good to cover yourself when you pray and this does not mean that God is with you only when you are praying. See how to honor God with the body in prayer. Dressing is about how we reveal/manifest Jesus Christ to people. It is about how we take care of our brothers and sisters not to sin. Christianity comes from the word ‘Christ-like’ and any person claiming to be a Christian must be Christ-like. Jesus Christ always cared about other people, making sure that they do not sin because of Him. Jesus said, Mark 9:42 But whoever causes one of these little ones who believe in me to sin, it would be better for him if a great millstone were hung around his neck and he were thrown into the sea Paul was Christ-like and he said, 1 Cor 8: 13 Therefore, if food makes my brother stumble, I will never again eat meat lest I make my brother stumble. A true Christian is always mindful of his/her brother and sister and this is true love. Your dressing can make your brother and sister stumble and sin. If you make your brother or sister sin, it is better if a great millstone were hung around his neck and he were thrown into the sea (1 Cor 8:13) The way you dress will make your brother or sister commit adultery and fornication; sin. The way you dress will make your brother or sister see Jesus Christ because God is revealed in how you dress His temple; the body. See what the Bible teaches about adultery and what the Bible teaches about fornication Yes! We have the freedom to dress the way we like but we must beware lest somehow our liberty become a stumbling block to our brothers or sisters. 1 Cor 8: 9 But beware that lest somehow this liberty of yours become a stumbling block to those who are weak. Therefore, to not make your brother or sister sin, how must a Christian dress?