I've never heard of these two, apparently "reality TV stars," but it is the oddest story I've read in a long time. There are links to a Facebook page and other aspects of the story. Conjoined Twin Abby Hensel Got Married in a 2021 Wedding Ceremony

The Hensels are dicephalus conjoined twins, a rare form of partial twinning with two heads side by side on one torso. They share a bloodstream and all organs below the waist. Abby controls their right arm and leg, while Brittany controls the left.

So many questions. . .