Ian Somerhalder: Fandemonium at John John Event!

Ian Somerhalder hangs out at an event for denim brand John John on Thursday (May 31) in Sao Paulo, Brazil.

The 33-year-old Vampire Diaries actor was swarmed by fans when he arrived at the party but charmed his way through the crowd, even giving one female admirer a kiss on the hand.

“Good night São Paulo.Fun time w/ you, my papa, @TheJram & my friends at JohnJohn. Youre beautiful, crazy & amazing – please never change… Xo Ian,” he tweeted.

Also pictured inside: Ian greeting another group of fans the next day before boarding a helicopter.

15+ pictures inside of Ian Somerhalder at the John John event…