It's no secret that Taylor Swift is one of the biggest pop stars on the planet at the moment, and her current 1989 world tour - which hit Ireland earlier in the year - has been packing the audiences in every night.

However, you might be surprised to learn just how successful the 26-year-old is at the moment.

According to Billboard, she is raking in an average of $3 million (€2.64 million) per night. She made $13.6 million from just three nights on the US leg of the show alone, bringing the total amount grossed so far to $173 million (€152 million) spread across 59 dates. Not bad for what is essentially a few months' work, since the tour only kicked off in May.

It'll finish up at the end of this month, when Swift can kick back and count exactly how much money she's earned from the 1.5 million tickets she's sold. 

In other words, she's well placed to write a few cheques with Blank Space(s). Amirite?