red carpet 
noun
1A long, narrow red carpet laid on the ground for a distinguished visitor to walk along when arriving.I always smile to myself when I'm asked to walk along red carpets now....
- This man looked up at the throne room, a vast hall with a blood red carpet running down the center.
- Apply all of the above to Scotland's latest ambassador to the world of red carpets and clapper boards, along with a prevailing air of not quite being there.
1.1 (the red carpet) Used in reference to privileged treatment of a distinguished visitor: [as modifier]: the group gets red-carpet treatment in most places...
- At a recent meeting in Brussels, interim Prime Minister Iyad Allawi received ‘the full red-carpet treatment normally accorded to a world leader’.
- This red-carpet treatment cost German taxpayers some €52,000.
- The red-carpet treatment includes a gourmet meal, based on the last meal on Concorde, at the Radisson Hotel close to the airport, before a tour of the aircraft.