Wedding Royale Caption Competition

April 1, 2011— -- Happy April Fool's Day. It is week four of Wedding Royale's caption competition and this photo is no joke!

Write a funny, but not obscene, caption for this photograph of Prince William and you could win a Wedding Royale mug.

Send your submissions to ABC News' royal reporter Nick Watt on Twitter @nickwattabc.

Click here to see last week's winning submission, and watch the rest of Wedding Royale.