they're all too influenced by the king and can't let it go. neyo, jt, beiber, it's all clone work
it's ok to be inspired by him, but take inspiration from his work ethic and commitment to pushing boundaries. what we got now is just pastiche, and jt (despite the good execution) is the epitome of that
although madonna is the established queen, who out of the current female pop stars is cribbing her? you can only make a case for gaga, and even then it's very wink wink and knowing, she still carries her own unique assets
Rihanna is copying her far more closely than Gaga, it's just not with music or iconography.