American singer and sensation Britney Spears, on Wednesday, dropped some steaming hot pictures from her naked pool day. Taking to Instagram, the 40-year-old singer captioned the post, "Keep swimming ... keep swimming" followed by a swimming and a surprised face emoticon.

In the first picture, the `Toxic` singer, struck a bold pose inside her pool. In the second picture, the singer stunned everyone, as she can be seen posing with her uncovered back to the camera.