The Dip It Low singer also appeared to have been involved in a serious conversation with a male friend.
The friend extended his hand behind him to help pull her up, as she clambered on to sit behind him.
Leaving little to the imagination: The 35-year-old's tiny red bikini top slipped dangerously low, revealing a hint of nipple, as she emerged from the water While the top left little to the imagination, Christina kept it on even when she ventured into the water for a swim.
A tray of food and drinks sat on the bed in front of her.