Vidya Balan or Bipasha Basu: Who is sexier?

Here are the topless photos of Vidya Balan and Bipasha Basu, to be precise backless pose. Both Bipasha Basu and Vidya Balan are hot, talented actors. While one oozes sensuality of a chocolate, the other is hot like melting butter. Both are in their 30s. Both make for good cover material So, let us know who is sexier, Bipasha Basu or Vidya Balan?