Pretty Girls, Ugly Faces is a photo fad in which girls take pictures of themselves while posing in an unflattering manner, making a silly face or performing a physically strenuous activity.

Mongolia's Olympic wrestler Battsetseg Soronzonbold (front) fights with her training partner during a daily training session at the Mongolia Women’s National Wrestling Team training centre in Bayanzurkh district of Ulaanbaatar, Mongolia, July 1, 2016. Battsetseg Soronzonbold became a national hero in her native Mongolia after winning wrestling bronze at the London Olympics and is determined to turn the medal into gold in Rio next month. (Photo by Jason Lee/Reuters)

Milena Jami whips her llama to win the first place in the a race for children of ages seven and eight at the Llanganates National Park, Ecuador, Saturday, February 8, 2020. Wooly llamas, an animal emblematic of the Andean mountains in South America, become the star for a day each year when Ecuadoreans dress up their prized animals for children to ride them in 500-meter races. (Photo by Dolores Ochoa/AP Photo)

France's defender #07 Sakina Karchaoui (L) and France's forward #11 Kadidiatou Diani (R) celebrate their win at the end of the Australia and New Zealand 2023 Women's World Cup Group F football match between France and Brazil at Brisbane Stadium in Brisbane on July 29, 2023. (Photo by Dan Peled/Reuters)

A woman poses by “Leaf Spirit” by Simon Gudgeon at the FORM 24 show at Sculpture by the Lakes, on April 02, 2024 in Dorchester, England. The award-winning sculpture show runs from April 2 to June 1, with works by more than 35 leading contemporary sculptors exhibited throughout 26-acres of lakes, rivers, gardens, and woodlands as well as in the Gallery and The Retreat. FORM includes a series of talks and events to accompany the exhibition, including “Meet the Artist” Q&A sessions with exhibiting sculptors, workshops and demonstrations. (Photo by Finnbarr Webster/Getty Images)

Jumbo-Visma team's Danish rider Jonas Vingegaard holds his daughter Frida as he celebrates on the podium with the overall leader's yellow jersey after winning the 109th edition of the Tour de France cycling race, after the 21st and final 115,6 km stage between La Defense Arena in Nanterre, outside Paris, and the Champs-Elysees in Paris, France, on July 24, 2022. (Photo by Christian Hartmann/Reuters)

A guard follows participants down a hallway in “Squid Game: The Trials”, an in-person interactive competition experience based on the Netflix show “Squid Games”, on December 20, 2023 in Los Angeles, California. At “Squid Game: The Trials” in Los Angeles, fans of all ages can relive the most emotional moments of Netflix's South Korean hit show – but there is a lot less blood and no one wins any prize money. (Photo by Robyn Beck/AFP Photo)