Superstar Taylor Swift is set to kick off her '1989' world tour on May 5 in Japan and she revealed that there are big plans in motion for some of the concerts on the schedule. 

During a new interview with Extra, the beauty explained that she has been calling musicians herself because it's awkward to get your management to convince other famous people to come out to a concert and duet with her for free:

"I've started picking up the phone, I started sending out the emails, and the interesting thing is when you're asking people to come and play for free, that's something you have to ask them yourself, you can't have your management go do it..."

"So I end up assuming the role of booking agent essentially when I'm on tour and just being like so, can we check her schedule, the routing, and she may be able to make it to in between that date and that date... 'Hey its Taylor, will you please come out, it's going to be a stadium show, it's going to be incredible, the crowd will love it.'"

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Watch Swift cover Vance Joy's 'Riptide' here: