Isabel Mohan on the couples whose most intimate moments have become YouTube hits and inspired a one-off Channel 4 documentary, The Wedding Proposal ... quiet night at the pictures ruined by ...

to a proposal played out in front of a fireworks display over a European castle. So we were a little worried that her wedding pictures wouldn't be as over-the-top fantastic as her proposal pictures.

Mike Durrant proposed to his partner, fellow store assistant Lynne Fuller, while she was at work A supermarket worker was surprised with a wedding proposal during a busy shift on a checkout.