the former england rugby star and husband of zara phillips , bought the horse for £ 12,000 at auction after a boozy dinner and was overcome by the 40-1 outsider 's performance .
after a whopping £ 105,500 payday he tweeted ` holy s *** , i 'm lost for words and emotions ' what a dude : it 's tense , then zara and mike explode with emotion as monbeg dude finishes .