The Australian magazine Woman's Day is set to publish the photographs of the Duchess of Cambridge on holiday in Mustique, Sky News' Australia Correspondent Jonathan Samuels reported.
He added that the magazine is also expected to publish photographs of Kate's sister Pippa in a bikini.
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Another cold, frosty and foggy night for many. Northern and western areas will see thickening cloud, patchy rain and milder temperatures.
Temperatures have already plunged to -12C in some parts of the UK this winter - but Thursday could be the coldest day yet.
The 86-year-old has been removed from his position as CEO of Formula One as US giant Liberty Media completed its £6 billion takeover.