I considered pictures of that - kids, balloons and cake - but decided against it. The photograph below makes me think of celebration. It was taken on September 1st 2008 - the last day of the school holidays. We had just endured six weeks of rainy summer holidays and finally - finally - out came the sun and we went to the beach.
What you have is H8 - then aged six - flinging herself into the sea in one glorious celebratory splash.
As an aside, this was R's birthday cake from yesterday's celebration:
I can't remember how many horse-shaped cakes I have made now - at least four. This is a chocolate cake with chocolate fudge icing and marzipan flowers. By the time the girls move on from ponies to boys I might be in the realms of life-like equine sculpture in the medium of fudge - or possibly not...