Barbara, Mona, Xiao, and Tartaglia from Genshin Impact HD Wallpaper

Four anime characters are depicted in a light blue background with white stars. From left to right, a blonde girl in a white and blue dress, a dark-haired girl in a purple and blue outfit, a dark-haired person in a black and teal outfit, and a red-haired person in a grey and red outfit. They are all smiling and appear to be posing for a picture.