Britney Spears appears to have lashed out at her ex-boyfriend Justin Timberlake after his apparent dig at the singer. The ‘Toxic’ performer, 42, said in an Instagram post on Thursday (01.02.24) she had heard she was being slated “on the streets” a day after Justin, also 42, apparently took a pop at her during his birthday concert. Britney wrote alongside an image of a basketball hoop: “Someone told me someone was talking (muck) about me on the streets!!!” She added: “Do you want to bring it to the court or will you go home crying to your mom like you did last time??? “I’m not sorry !!!” Justin…