Take a look inside some of the most spectacular celebrity bathrooms Architectural Digest has been to over the years, including the bathrooms of Jessica Alba, Zedd, Jesse Tyler Ferguson, Robert Downey Jr., Michael Kors, Lance Armstrong, Maggie Gyllenhaal + Peter Sarsgaard, Mark Ronson, David Dobrik, Zachary Quinto, Cara Delevingne, Liv Tyler, Lily Aldridge, Jensen + Danneel Ackles and Ashley Tisdale.