Several famous faces were spotted in the crowd at Glastonbury Festival during Coldplay's headline set, including frontman Chris Martin's girlfriend Dakota Johnson.The Fifty Shades of Grey actress was seen supporting her beau as he took to the stage on Saturday, 29 June. Dakota, 34, watched Coldplay from the friends and family viewing area. She was joined by Chris' two children, Moses, 18, and Apple, 20, who he shares with ex-wife Gwyneth Paltrow, along with friends.The group danced and sang along to the band's hits throughout the two-hour set.