Dan Walker presents the weekly magazine programme live from Wembley Stadium ahead of the FA Cup final between Arsenal and Chelsea. Dan goes behind the scenes at Wembley to discover all the stories ahead of whatis set to be an intriguing London derby. Arsene Wenger's Gunners side have had a testing season, but victory today would give them their third FA Cup success in four years and a record seventh triumph as a manager in the competition. Chelsea, who last won the cup in 2012, reached the final courtesy of beating title rivals Tottenham.