Watch what this fan did at a Taylor Swift concert

I can imagine being on the wrong side of Taylor Swift must be a daunting ordeal, I suppose if there is any truth in bad blood being written for Katy Perry she would know first-hand. 

We get a short glimpse of the death stare she threw at an over excited Swifty who ankle grabbed her during a concert in Canada.

In true Taylor style she literally took it in her stride.