Cast-members Vicky McClure, Martin Compston and Adrian Dunbar are currently shooting scenes as AC-12, some five years after an anti-climactic sixth series divided viewers.
The Hollywood star, 55, led the celebrities who flocked to watch legendary singer Stevie, 75, headline at the London festival, which took place over two weeks.
The Queen, 77, was welcomed to the set in London by Dame Carolyn McCall, the chief executive of ITV, lead actress Vicky McClure, and Trigger Point's executive producer Jed Mercurio.