Taylor Swift and her younger brother, Austin Swift, ... In the image, the youngster is wearing a Dolphin Club T-shirt. Of course, neither sibling has confirmed the fan theory.

Taylor Swift and her younger brother, Austin Swift, have a tight-knit bond. While the siblings don't constantly post about ...

Taylor Swift and her younger brother, Austin Swift, have a tight-knit bond. While the siblings don’t constantly post about each other on social media, they have shared the rare tribute to each ...

Swift's brother posed for a photo with Kelce's friends at Rogers Centre in Toronto on Friday, Nov. 15 Ross Travis/Instagram; Emma McIntyre/TAS24/Getty (L) Austin Swift (center) and Ross Travis ...

Swift's brother posed for a photo with Kelce's friends at Rogers Centre in Toronto on Friday, Nov. 15 Ross Travis/Instagram; Emma McIntyre/TAS24/Getty (L) Austin Swift (center) and Ross Travis (right) ...

On Sunday, Swift wore yet another pair of thigh-high leather boots with what looks to be a vintage Kansas City T-shirt, basically worn as a dress. This is the third time in a row that Tay has ...