In January 2011, it was reported that Wunderkind faced restructuring, with the dismissal of almost all its staff, and its March Paris Fashion Week show was cancelled. That same year, Joop designed the bridal gown worn by Princess Sophie of Isenburg for her marriage to Prince Georg of Prussia in August.
In January 2011, Wunderkind faced a major overhaul, with nearly all employees let go, and its Paris Fashion Week show was scrapped. Meanwhile, Joop designed the wedding attire for Princess Sophie of Isenburg's nuptials to Prince Georg of Prussia in August 2011.