Britney Spears dances with knives on Instagram again after revealing she had an abortion with Justin Timberlake at the age of 19

Britney Spears Accuses Justin Timberlake of Cheating in 'Woman in Me' Memoir

Britney Spears drops official promo for tell-all memoir The Woman In Me one week before release... following bombshell revelation she had an abortion with Justin Timberlake

Was The Pregnancy Why Justin Timberlake's Cry Me A River Video Sent Britney Spears 'Over The Edge'?!