Michelle Obama Responds To Beyonce's Open letter

US first lady Michelle obama has responded to the letter penned by the R&B superstar Beyonce on her tumblr page  in which she called michelle "the ULTIMATE example of a truly strong African American woman".
   Michelle has also praised beyonce in her tweet :
   "Thank you for the beautiful letter and for being a role model who kids everywhere can look up to. –mo" ,she tweeted