Biffy Clyro brought the first day to a close on Friday night after Ed Sheeran, Ellie Goulding, and Manic Street Preachers performed to crowds who partied in glorious sunshine.
The second day of the T in the Park festival saw Calvin Harris, Paolo Nutini and Pharrell Williams perform in front of thousands of music fans.
Joining them were Rudimental, James, Twin Atlantic and Katy B, with a crowd of up to 85,000 expected to party at Balado in Kinross-shire.
The Stranglers and Kiesza complete the line-up on the main stage.
The final day of T in the Park will see Arctic Monkeys become the last ever act to play the festival at its current home.
Paul Weller, Jake Bugg, Kaiser Chiefs, Bastille and Franz Ferdinand are also included in the line-up preparing to bid farewell to Balado.