Netizens Comment On Krystal's Weight Gain

Krystal appeared at the airport greeting media and fans before departing to Hong Kong.

She appeared at the airport in a white top and a pair of jeans. Netizens who saw the photos commented, 'Is this the Krystal we know?', 'what happened to her?', 'she's gaining some weight definitely' and etc.

What do you think, did Krystal gain some weight?