Shawn Mendes' new workout routine for the Calvin Klein promotion has gone really well! As he was changing to his Calvin Klein underwear, he saw a bottle of water on the table, unaware of its added content, he decided to take a sip to cool down before the photoshoot. BOOM! In just a few seconds, he outgrew the studio and crushed everything nearby due to his ever-expanding feet! His growth isn't looking to stop any minute-