22:00Nick Grimshaw and Annie MacPappa Grimshaw's encounter with Sienna MillerBBC Switch Duration: 2 hours Sun 29th May 2011, 22:00 on BBC Radio 1 N. IrelandAnnie and Nick round off another silly weekend in their world and yours too. Show more GenresFactualArts, Culture & the MediaMusicPop & ChartExperimental & NewEntertainmentBrandNick Grimshaw and Annie Mac Source: BBC Online