(Cover) - EN Showbiz - Britains Prince Harry is set to deliver an unedited version of his best man speech at a private supper after Prince Williams honeymoon.

The 26-year-old royal has the coveted role at the royal wedding on April 29, which will see William, 28, tie the knot with his fiance Kate Middleton at Londons Westminster Abbey.

Harry is reportedly struggling with nerves ahead of the big day. There will be 1,900 guests at the highly-anticipated celebration, with millions more across the globe watching on TV, and sources close to the prince say he is worried about his speech.

Harry whose colourful social life has been documented in the press has vowed to keep the speech formal, and is keeping an unedited version for a later date in the diary.

All eyes will be on him. Harry says hell have a drink but wont be letting his hair down, a friend told Closer. Harrys best man speech will be the most risqu part of the day. But anyone expecting hilarious tales will be disappointed. It will be very formal. But when Kate and Wills are back from their honeymoon theyre going to have a private supper for close friends, and thats when Harry will deliver the unedited version!

Kates family are also said to be getting pre-wedding nerves, especially father-of-the-bride Michael Middleton, 61. He is reportedly getting anxious as the big day approaches, as he is hoping the highly-anticipated event will all go to plan.

Kates dad is panicking a bit about his father-of-the-bride speech, and their arrival at Westminster Abbey. I think Michael and her sister Pippa are more nervous than Kate! the source added. (C) Cover Media