Rihanna's topless morning after photo

The singer posted this topless photo of herself on her Instagram page with the caption - 'The morning after! Hello November.' The photo was taken the morning after a Halloween costume party she hosted in West Hollywood some days back, where she dressed as marijuana. For the morning after photo, Rihanna ditched the costume but kept on her green veil. See the full weed costume after the cut...

  

 Lady Gaga, left, also dressed as weed for Halloween