Está Britney grávida de novo?

So, is Britney Spears pregnant again, or not? The rumours certainly won't go away. Us Weekly yesterday cited unnamed sources as having confirmed the pop tart is expecting her second child – and included a picture of the round-tummied starlet in a bikini to prove it. Whether the sources are telling the truth has yet to be confirmed: Britney's spokesperson and assistant are so far refusing to comment...