A post shared by Christina Haack (@christinahaack)Fans, though, were quick to ask the whereabouts of her Rottweiler, Biggie, who she introduced to the world in December 2020. "Due to behavioral issues, I made the hard decision to have Biggie re-homed in the best interest of my children," she commented to one person on Instagram on Oct. 5. The comment wasn't a surprise to some.