Rinna later posted another photo of herself in a white bikini and slicked-back hair. "59," she captioned it, adding a birthday cake emoji.

Lisa Rinna is celebrating the new year in her birthday suit. Rinna, 61, took to her Instagram Story on Tuesday, December 31, to share a bold New Year’s Eve selfie.

Lisa Rinna is celebrating the new year in her birthday suit. Rinna, 61, took to her Instagram Story on Tuesday, December 31, to share a bold New Year’s Eve selfie.