35 Celebrity Enemies Who Used to Be BFFs
Kristen Stewart and Katy Perry
Kristen Stewart and Katy Perry were unlikely BFFs who fell out for the same reason too many of these female friendships have fallen apart — a dude. Come on, ladies, seriously? Their friendship was damaged when Katy chose to comfort Robert Pattinson, another friend, after Kristen cheated on him. Katy tried to clarify to Kristen that rumors in the tabloids about her being ~with~ Rob were totally false and that she never broke girl code, but the damage had been done.