Wedding fever for Keira! Knightley

By DAILY MAIL REPORTER Step to it: Actress Keira Knightley helps his eldest brother, Kaleb, celebrate his wedding to web designer Kerry Nixon at the Pollokshields Burgh Hall in Glasgow Less than a week before the Royal wedding, Keira Knightley got into the spirit by playing bridesmaid at her brother’s ceremony today.The actress arrived at the venue in Glasgow to witness Caleb, 32, marry his