Britney posts defiant dancing vid after slamming the Osbournes

Britney Spears puts on a daring display as she strips to her underwear for a racy snap of her bottom - with a VERY cheeky caption

Britney Spears stripped down to a skimpy pink bikini and posted a defiant dancing video on Thursday after slamming the Osbournes as a 'boring' family in response to Ozzy saying he is 'fed up' with her Instagram...