captioning the pic, “All has been said and done full circle ⭕️ … back to RED !!!!!”The mention of “red” appears to be a reference to Spears’ “Project Rose” or “Project Red” — which she’s mentioned on social media for the past several months and previously described as a “personal photo project.”Just a few days ago, the songstress also shared a nude photo, confusing many fans since her neck tattoo was mysteriously missing.