Pakistan, Sept. 6 -- Taylor Swift's husband Travis Kelce and her best friend Gigi Hadid both appeared together in a new fashion campaign and it gave fans a sweet glimpse into their shared bond.

The supermodel, 31, and the Kansas City Chiefs tight end, 36, starred in a Tommy Hilfiger ad recently, which also was the public debut for Swift and Kelce's baby dog, Wendy.

In a new behind-the-scenes video, Hadid told the camera that she was working in the campaign with her "brother Travis." The wholesome interaction took over social media and fans began gushing over it, writing, "Aww so cute," and "Gigi is so sweet she is certified taysister."

A third chimed in, "'With my brother Travis' Whole friend group probably has that 'my bestfriend just...