Article continues below advertisementBrooke Burke ditched her clothes for a hot sauna session.The TV personality, 54, went topless, solely donning a white thong, as she lay on a towel in an Instagram video she posted on Tuesday, May 5.Burke caressed her bare chest while she relaxed with a face mask in her mini spa.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: @brookeburke/InstagramBrooke Burke indulged in a sauna session."1 of my non-negotiables.