Britney Spears has revealed a Botox treatment left one of her eyelids visibly drooping for four weeks and is now warning fans to be 'careful' with cosmetic procedures. The US Food and Drug Administration lists eyelid and brow drooping among reported adverse effects of Botox Cosmetic. Britney Spears talking about her recent Botox treatment in 2026, after previously saying she had stopped getting it. pic.twitter.com/p4FwiDkbrK — Jaden (@jadenlovesjaden) August 8, 2026Spears Shares Botox Experience on InstagramSpears shared her experience in an Instagram video captioned 'You can't trust anyone!!!'. But Spears' experience highlights the need to treat injectable cosmetics as medical procedures rather than risk-free beauty treatments.