Britney Spears is back… to posting with no clothes on. On Wednesday, January 17, the Princess of Pop returned to Instagram with a naked photo of herself just hours after deleting her account. “Just landed in French Polynesia!!!” Spears captioned the post, which pictured the “Gimme More” singer standing in the sand and flaunting her backside as she turned around to look at the camera. The 42-year-old was wearing absolutely no clothing, with only two small diamond emojis covering her behind and nipple area. Spears appeared to be in good spirits, flashing a soft smile at the camera while runnin…