H.R.H. Princess Elizabeth Has Supper in a London Restaurant - H.R.H. Princess Elizabeth (centre) with her cousins, the ***** Margaret Elphinstone (left) and the Hon. Mrs. John Wills, photographed during an after-the-play supper party in the Bagatelle Restaurant London. The first Winter of peace has been a happy time for Princess Elizabeth who has had her first opportunity of leading the normal social Life of a young girl in England. She has enjoyed a round of engagements - going to the theatre several times and to after-the-play super parties with her young friends. January 7, 1946.