Brittany Mahomes’ trip to Mexico: That swimsuit! And is that Taylor Swift’s dress?

Brittany Mahomes — aka Sports Illustrated swimsuit model — created a buzz in Mexico over the weekend in a swimsuit held together with two gold-tone rings. But it was a minidress she wore that turned Swiftie heads. Eagle-eyed fans of Mahomes’ new NFL bestie, Taylor Swift, recognized something familiar in a photo of Mahomes hugging a friend from Texas, Mallory Moss, who was the star of a bachelorette party getaway. Mahomes wore a dress like one Swift modeled on one of the covers for Time magazine’s recent Person of the Year issue. Oddly, on Sunday, Swift’s A-list bestie Blake Lively posted a photo of hubby Ryan Reynolds wearing a corduroy plaid jacket that Swift’s beau Travis Kelce has been seen…