The Duke and Duchess of Cambridge are understood to be considering their options after a Danish magazine said it planned to publish more topless pictures of Kate.
SE og HØR, a weekly celebrity magazine in Denmark, announced it will print the photographs in a 16-page supplement today.
The royal couple are understood to be considering a variety of measures to prevent further distribution of the topless photos.
A St James's Palace source said: ''We are aware of the plans of a Danish magazine to publish further images.
''All options are under consideration at the moment.''
SE og HØR has boasted of "exclusive" access to the "topless pictures of Great Britain’s future queen", which hit Danish newsstands tomorrow.
A court in France has blocked French magazine Closer from re-publishing images of the Duchess of Cambridge sunbathing topless.
See some of the highlights of the Duke and Duchess of Cambridge's tour of the Solomon Islands.