Britney Spears<\/strong> has fans worried after posting concerning videos of herself looking disheveled and singing off-key in what appears to be a messy home environment.<\/p>\n On Monday, August 18, the 43-year-old pop icon shared an Instagram clip<\/a> featuring herself performing Rihanna\u2019<\/strong>s \u201cUnfaithful\u201d while wearing polka-dot pajamas and knee-high boots.<\/p>\n In the video, Spears\u00a0 sang seemingly off-key while also speaking in a British accent, with various items scattered across the floor behind her. She captioned one post, \u201cMessing around with lighting and cleaning my house like no tomorrow.\u201d<\/p>\n Though the singer disabled comments under the videos on her Instagram, fans flocked to X to express their concern.<\/p>\n \u201cIs she ok?\u201d one asked<\/a>, while another wrote<\/a>, \u201cShe\u2019s really not doing well!\u201d<\/p>\n Other fans expressed concern over Spears\u2019 pets \u2014 one of which scampered about in the background as she sang.<\/p>\n The troubling posts come as Spears faces additional stress from ex-husband Kevin Federline<\/strong>\u2018s upcoming memoir.<\/p>\n As Star<\/em> previously reported, the singer is \u201cbeside herself<\/a>\u201d and \u201cin fight mode\u201d over Federline\u2019s tell-all book, You Thought You Knew<\/em>, which is set for an October release.<\/p>\n An insider told Star<\/em> that Spears is \u201cdesperate to get her hands on a copy\u201d and feels betrayed after being \u201cfairly restrained\u201d about their marriage in her own 2023 memoir.<\/p>\n This isn\u2019t the first time Spears has worried fans with her bizarre social media antics: The singer \u2014 whose controversial 13-year conservatorship ended in 2021 \u2014 recently danced with knives and posed nude for her 40 million Instagram followers.<\/p>\n Still, her latest posts have intensified ongoing concerns about her mental health and living situation.<\/p>\n \u201cShe needs an intervention. This is so sad to watch,\u201d another fan shared<\/a>.<\/p>\n<\/div>\n![\"\"](\"https:\/\/staging.starmagazine.com\/wp-content\/uploads\/2025\/08\/Featured-9-Britney-Spears.jpeg\")