Cheng Xiao's beautiful legs showed elegance in a commercial event wearing retro black socks （7图）
Cheng Xiao shows off her beautiful body in a sexy backless, low-cut red dress （4图）
Cheng Xiao's slender legs and cute little mouth （6图）
Cheng Xiaoyu wore shiny leather boots to record "Thumping Heart" （4图）
Cheng Xiao wears stiletto boots with bright soles （6图）
Cheng Xiao's beautiful legs wear short socks to participate in the recording of a variety show （7图）
Photo of Cheng Xiao sitting with thin legs wearing high-heeled white boots in the variety show "Plopp Plop Heart" （7图）
Cheng Xiao is sitting in the studio painting and her legs are smooth （5图）
Cheng Xiao is wearing a big shirt covering her shorts to highlight her long legs （4图）
