Lu Han and Guan Xiaotong officially announced their marriage?  Lu Han and Guan Xiaotong officially announced their marriage?  Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage? Lu Han and Guan Xiaotong officially announced their marriage?