CleggNick Clegg left today 's 'yellow budget ' speech to go to Gravesend , Kent . Deputy Prime Minister took part in 'fun ' filming of political party broadcast . Lib Dem leader was spotted taking selfies before high-fiving passers-by . Mr Nick Clegg said : ' I do n't want ( the campaign ) to be too po-faced and serious '
Nick Clegg left today 's 'yellow budget ' speech to go to Gravesend , Kent . Deputy Prime Minister took part in 'fun ' filming of political party broadcast . Lib Dem leader was spotted taking selfies before high-fiving passers-by . Mr Clegg said : ' I do n't want ( the campaign ) to be too po-faced and serious '