When I saw this picture for the first time a few days ago I thought that it had been photoshopped. However it seems that it is genuine.

Award-winning photographer and wildlife film-maker Sue Flood said that in the 20 years she has been taking pictures in the Arctic and Antarctic, and on more than 30 trips to the frozen plains, she had never picked up such a penguin phenomenon.
Link: Sue Flood photographs emperor penguin chick with love heart bib | The Daily Telegraph