A year after her ex-husband Mick Jagger headlined the Pyramid Stage with the Rolling Stones, Hall played the tiny Spike stage within the festival's Glade area.
The striking blonde looked unsurprisingly mud-free as she performed in a black pencil skirt and white blouse alongside bandmate Jeanne Marine, also known as the partner of Bob Geldof.
Meanwhile the Other Stage was opened with a surprise performance by the Kaiser Chiefs, warming up ahead of their headline slot on the John Peel Stage tonight.
Lead singer Ricky Wilson performed an energetic set, with the enthusiastic crowd singing along to their hit Ruby.
The second act on the Pyramid Stage was American indie band the War On Drugs. They also attracted a large crowd who cheered loudly as the sun finally came out during a break in the rain.