Sharon Stone has had a difficult time of late, but over the weekend she opened up about the importance of "self care" to her Instagram followers.MORE: Sharon Stone breaks silence following moving tribute to late nephew River after sad deathTaking to her social media profile, the actress shared two incredible pictures of herself sunbathing in France and wearing a black plunging swimsuit.WATCH: Sharon Stone speaks about recapturing her radiance after her stroke"Self-Care Matters," she wrote in the