Despite insisting they were just good friends, rumours about their relationship have persisted after they were spotted hanging out together and posted up a black and white shot of themselves holding hands, reported Daily Mirror.
Their mutual friend Lincoln Lewis has also confirmed the new after he referred to 16-year-old Jenner as "Jaden's missus".
Last week Kim's half sister was photographed cuddling up to her friend Miles Richie, 20, in her car before the hunk leaned in for an intimate kiss.