birthday, you weren't invited, you're not invited, you were not invited, not invited, uninvite, uninvited, invite, invitation, you can't come to my birthday, party, vip, exclusive, exclusive party, event, exclusive event, party planning, party plan, party planner, the hills, heidi montag, it's my birthday, i don't like you, dislike, enemy, frenemy, enemies, frenemies, falling out, ex friend