It's all fun and games until someone gets peed on.

Liam Payne was on the Graham Norton Show last night and was asked by the host how fatherhood was treating him. The singer became a dad in March when his girlfriend Cheryl Tweedy (formerly Cole, formerly Fernandez Versini) gave birth to baby Bear in March, and from the sounds of it, he's fairly hands-on. Liam said that he was the first to change the baby's nappy after he was born. "I'd never changed a nappy before, until I met Bear, so I thought 'I can do this!'," he said. It was all going well, he continued, until Cheryl woke up and decided to give it a go. "She unveils the nappy and he's posed, first time it's happened, and then he starts sprouting off wee "In my head there was music going on and slow-mo and everything, just wee going everywhere. "I think it was very ironic that after she did all the hard work." Typical! Check out the full clip here.