Elsie Janis (March 16, 1889 ? February 26, 1956), American singer, songwriter, actress, and screenwriter. Entertaining the troops during World War I immortalized her as "the sweetheart of the AEF" (American Expeditionary Force). Pictured on the front cover of The Tatler dressed ready for a game of tennis which seems appropriate as the magazine comments on her fondness for the outdoor life and sport.