They literally used a picture of the French blogging girl Betty..on one of their shirts! After she found out, Zara told her they were inspired by the pic, but hey inspired? In real world we call this faked, Zara!
source: Le Blog de Betty
PS: I guess i would be a bit honoured to be copied by something this big, but still.... how low can you go (lower than you knowwww hehe)!