Shawn Mendes and Jimmy Fallon argue over who Justin Timberlake likes more
Shawn Mendes and Jimmy Fallon are duking it out over a mutual friend! The 20-year-old pop star stopped by The Tonight Show Starring Jimmy Fallon on Thursday and dished on his friendship with Justin Timberlake, who recently brought him up on stage at the iHeartRadio Music Festival. “We’re actually pretty good friends now”, Mendes bragged to Fallon. “What’s that?” the 44-year-old late-night host questioned. Mendes gave the same answer twice more before realizing Fallon was teasing him. “It was the coolest thing of my…