The four-year-old son of an X Factor star who underwent multiple brain surgeries went indoor skydiving as part of global tour celebrating his recovery. <br /><br />Union J’s JJ Hamblett’s son, Princeton, is seen in this video having fun in an indoor skydiving facility in Arizona. <br /><br />The toddler and his family are leading the “Achieve the Unimaginable” tour “in honor of Princeton's unimaginable achievements he will be taking on for a Brian Surgery Survivor”.<br /><br />Other feats they plan to take on include shark diving in South Africa. <br /><br />Princeton had brain surgery in May and September last year, according to his mother Caterina. <br /><br />“With 2018 upon us, we have decided to not take life for granted, live life to the fullest and go on a world tour sharing Princeton's story of survival and incredible road to recovery,” she said in a statement.
