The Wanted singer, who is competing with One Direction for US chart success, is apparently comfort eating to replace his fiancé's affection.
"When I'm in the US all I'm doing is eating," he is quoted by The Sun as saying.
Keegan, famous for playing Tina McIntyre in Coronation Street, recently revealed that her mum approves of her romance with George.
Last year, the couple were blighted by months of speculation over whether they had called off their engagement.
Watch Max George and The Wanted in the video for 'Warzone' below: