"Merry Christmas from the Blackstock clan! #winteriscoming #riverisnotworried" Pop star and mum-to-be Kelly Clarkson revealed her family's 2015 Christmas card was inspired by their love of fantasy drama Game of Thrones. In the photo, posted on Instagram.com, Clarkson and her step-daughter Savannah wear medieval dresses, while Kelly's husband Brandon and stepson Seth show off traditional Scottish garb in kilts. Little daughter River Rose also has a Game of Thrones-inspired dress.