Louis Tomlinson is certainly mourning after his mother, Johannah Deakin, lost her battle with leukemia Wednesday. Louis' management team reported Friday that the 24-year-old singer will go through with a scheduled performance this Saturday on the U.K.'s The X Factor. "Johannah was first and foremost a truly amazing mother to seven children, whose individual talents and success are a testament to the principles and beliefs she instilled in them," her husband Dan Deakin said Friday.