06:30Nick GrimshawOlly Murs has a surprise for Grimmy!!BBC Radio 1 Duration: 3 hours, 30 minutes Wed 13th May 2015, 06:30 on BBC Radio 1 EnglandOlly Murs and Scott Mills have a surprise for Grimmy and involves the Big Weekend....GenresMusicPop & ChartEntertainmentBrandNick Grimshaw Source: BBC Online