Britney Spears is letting it all hang out. The Toxic singer took to her much-followed Instagram account late on Saturday night to post a totally-nude picture. Like, seriously... totally nude, save for one very smartly-placed emoji. Brit was completely naked in the photo uploaded to IG and sent off to her 42 million followers to view and enjoy! Related: Taylor Swift's New Album Pissed Off Both Britney AND Pamela Anderson To get around the NSFW worries, the Louisiana native put a rose emoji in the most critical of places, as you can see (below): / (c) Britney Spears/Instagram And the post is sti...