Click here for the most expensive celebrity Weddings of all time like Chelsea Clinton's, Michael Douglas & Catherine Zeta Jones and learn how much they cost Here Obama was not invited. He dissed our ally and his gift last time he was there sucked, so no invite. America sends their best wishes to the lovely couple and may God bless them. Everyone is waiting with baited breath for the wedding gown reveal. How much will it cost and who pays? The Queen, the Prince or the UK people??