Taylor Swift and Calvin Harris are planning not one, but two weddings! And the "Bad Blood" hitmaker, who is in the middle of the 1989 World Tour, has already picked the designer who will make her bridal gown.

According to an alleged source of In Touch Weekly, "Taylor plans to marry Calvin next year in two different locations - one in the U.K. that will be a huge, over-the-top blowout party and one in either Nashville or LA that will be a little more subdued."

Although she has a long list of designers that Taylor Swift has worked with in the past, Calvin Harris' girlfriend has allegedly chosen Vera Wang to design her wedding gown.

"You can't expect a girl like Taylor to wear the same dress twice! Taylor says that's the best part, aside from marrying the man she loves," the insider adds.

But if it's true that Vera Wang will make Taylor Swift's wedding gown, the "1989" hitmaker should take heed, at least according to the article from Daily Mail which claimed that eight celebrity couples who secured the famous designer's services ended up in divorce.

"From Mariah Carey to Heidi Klum and Jessica Simpson, a number of stars have entrusted the renowned designer with their special day, but it seems their marriages did not fit as well as their fanciful gowns," it said.

Previously, OK! magazine, per UK's Mirror, ran an article which claimed that Calvin Harris is already asking around where to buy an engagement ring.

"He said he wanted something 'very special' for Taylor," the alleged source claimed. "He was asking about the best cuts and eyed a ring that was [worth] $1.4 million! He was clearly eager to get the perfect rock, no matter the cost."

Also, Taylor Swift is reportedly getting advice from Jennifer Aniston on how to pull off a secret wedding with Calvin Harris, according to various rumors.