Royal Fun fun Have FUN with this cool card template and send paperless invitations, save the dates or cards. Invite to a New Year's celebration, birthday party or send save dates or thank you cards. Royal Fun - fun. Square Grey Celebration Invitation Card with FUN designed header. Royal Fun - fun. High Format Grey Celebration Invitation Card with FUN designed header. Royal Fun - fun. Beige Party Save the Date Card with Fun Header. Royal Fun - fun. High Beige Party Save the Date Card with Fun Header.