"You're welcome" OR "You're welcomed"?

Both are correct but they are different!

WELCOMED (VERB) is used when;
1) you're received or greeted with pleasure or in a friendly way when you arrive at a destination.

WELCOME (ADJECTIVE) is used when;
1) giving the permission to do, have or accept something.
2) you're pleased when someone comes to stay at your house, etc.
3) As a reply for 'thank you'.


Sentence examples;
1) You're welcome to stay as long as you wish. (I give you the permission to stay)
2) Welcome to my house! (another expression for no (1))
3) I could see that you're welcomed by the receptionist just now. (you're greeted with pleasure by the receptionist).
4) The visitors were welcomed by the hosts. (the hosts greeted the visitors with pleasure)
5) You can bring as many friends to the party as you like. Everyone is welcome. (Everyone's invited to the party)