How long is it going to take for me to get something from u.k?

I orderd a hair piece like 3 days ago but i think i paid for it to get here fast but it it's here yet is it going to take like a couple more days or maybe months

How long is it going to take for me to get something from u.k?

Depends on when they will ship it. If is is back ordered you may be waiting a while, but if not expect it in a week or two after it clears customs.