OK, bit of a cheat as they were actually playing (last minute addition to the Doves / Ed Harcourt / Elbow bill), but the one with the shaggy hair must have been trying to get his girlfriend into the VIP area, and the security were having NONE OF IT...
Last night, 6th of February 2001.
Celeb spotting action, not actual stalking. Gotta catch them all! Originally a popular feature of my site popex.com, so mostly from the early noughties. 99% written by other people. Hopefully now with some bonus location content that was lost for a while.