Cruz Beckham, 17, sports a gold cannabis necklace with a purple and yellow jacket at Kenzo show

Jessica Biel and Justin Timberlake join Jaden Smith and Cruz Beckham during Paris Fashion Week

Cruz Beckham, 17, is double of dad David, 47, as he shows off fashion credentials

Cruz Beckham sports cannabis necklace as he joins his dad David at Dior PFW show