Washington, Dec 30 : Kim Kardsahian recently admitted that she doesn't smile in pictures as she believes that smiling causes wrinkles.

The American TV star posted a picture of her with cute smile with Shamari Maurice on Instagram and mentioned that she do flashes her teeth on camera on occasion, but not too often as because it causes wrinkles, E! Online reported.

The 34-year-old reality star must have captioned the picture in sarcastic manner as she was seen many times flaunting her smile and laugh plenty of times in her reality show 'Keeping Up With the Kardashians'. (ANI)