Everyone cleans up for the Lord's day; and believe me, I'm glad they do! A fresh, polished look is good to see, and a bath is good for the nostrils! I'm not opposed to people going to church just as they are; if you were to go to my church in a suit and tie, you would stand out like a sore thumb! I'm not talking about how you look. When you go all week living as you please, don't expect that because you get yourself to church on Sunday, that you are clean. Though this is a good start, living for the Lord is an everyday thing. Imagine if you were out partying the night before, engaging in reckless behavior, and a friend, who was partying with you, shows up at your church for the first time, and there you are, doing your duty as an usher or greeter. What kind of message are you sending? Yes, we've all sinned and fall short of God's glory, but at some point you have to leave that behavior behind and strive toward the likeness of Jesus.
You cannot drink the cup of the Lord and the cup of demons. You cannot partake of the table of the Lord and the table of demons. 1 Corinthians 10:21