Brady’s duplicated dog is another example of the burgeoning and already lucrative world of animal cloning. To many, the idea remains creepy. But by bringing back clones of people’s cherished but perished pets, the practice has gained some traction among the rich and/or famous, since at present it remains prohibitively expensive.

The brown Pitbull mix was cloned using a blood sample collected before Lua’s death, Brady said, part of an announcement from Dallas-based Colossal Biosciences that rippled across the internet on Tuesd...

“Our little Lulu, our guardian angel is gone to heaven,” the supermodel shared via Instagram.