Princess Anne visits Zara's church

Britain's Princess Anne has secretly visited the church where her daughter Zara Phillips will marry.

The only daughter of Queen Elizabeth and Prince Philip was spotted sneaking in to Canongate Kirk in Edinburgh, Scotland - where Zara will marry rugby player Mike Tindall on July 30 - with Zara's wedding planner Peregrine Armstrong-Jones.

A source revealed Anne - who was the last British royal to wed in Scotland when she married second husband Timothy Laurence in 1992 - arranged the trip because the wedding plans are now well under way.

Canongate Kirk has a long standing association with the royal family, and is where the queen worships when she is at her residence in Edinburgh Holyroodhouse.

Show jumper Zara, 29, and Mike, 32 became engaged on December 21 and live together in the English county of Gloucestershire.

The wedding is expected to be one of the first public appearances by Prince William and Kate Middleton, after their own wedding on April 29.