The Russian billionaire hopes his presence will help create a renewed sense of unity within the Blues squad.

It will also signal the club want to end the contract disputes with skipper Terry and vice-captain Frank Lampard.

But manager Mourinho has told his skipper he will not be able to make the glittering bash at Blenheim Palace in Oxfordshire as he is on a family holiday.

Terry, who marries fiancee Toni Poole, will be supported by almost the entire Chelsea first-team squad. But owner Abramovich’s decision to go has surprised the players.