Shawn Mendes Playfully Disses John Mayer on Instagram

Shawn Mendes couldn’t help himself with his latest comment to John Mayer!
After the 40-year-old “Your Body Is a Wonderland” crooner shared an Instagram photo of himself from his younger days, the 19-year-old “Treat You Better” singer decided to jokingly troll him.
“#Tbt 1998,” John captioned the pic of himself posing with a guitar. “In it for life.”
“Year i was born old man @johnmayer,” Shawn remarked.
LOL.The next day, John post