Britney Spears Hits Back at Critics of Her Instagram: 'Stay Safe & Be Nice!'

Britney Spears is hitting back at people being mean about her Instagram. The 38-year-old Glory pop superstar posted a message to her Instagram on Tuesday night (March 17). PHOTOS: Check out the latest pics of Britney Spears “I've read a lot of things online of people criticizing my posts .... saying I post the same