Park Myung Soo, Shindong and Gyuri's head sizes

On May 10th, photos of Park Myung Soo, Super Junior's Shindong, and Kara's Gyuri were posted up on the homepage of the MBC FM4U Shindong, Park Gyuri's ShimShimTapa radio show. Park Myung Soo was a guest for a corner called Superstar S hosted by DJ Gyuri and Shindong. The rather normal looking photos are sparking interest in netizens due to the size of Gyuri's head. Gyuri, who is posing in between Park Myung Soo and Shindong, seems to have an abnormally small face. Or do the other two simply have large faces? Netizens are saying, "Her face looks exceptionally smaller next to Park Myung soo and Shindong" "This is proof of her small face" and other compliments towards Gyuri. What do you guys think? Does Gyuri have a small face? Or does Park Myung Soo and Shindong have large round faces?