Britney Spears took to Instagram in a scathing rant where she said that she should have 'slapped' her sister and mum 'across their faces'.
The feud between the Spears family is escalating, and in a development on Tuesday night (January 18), Britney posted a very loaded Instagram post.
The 40-year-old singer, who was recently freed from her conservatorship, took aim at her sister Jamie Lynn Spears, 30.