Social-media sensation Livvy Dunne shared an update on her knee injury that could end her gymnastics career and posted a selfie from a sauna on Tuesday from LSU's campus in Baton Rouge.

Livvy Dunne gave LSU Gymnastics and fans hope on Tuesday when ... For Dunne, that means continuing her rehab, and getting her body ready with a sauna sweat where she dropped a selfie in a crop ...