The annual event played host to a huge range of acts, and Susan was certainly in the party mood, donning a controversial Native American Indian headdress at the festival.
While some would be wary about sporting the headgear - which were actually banned from sale at Glastonbury - it looks as though Susan had a brilliant time.
The former ‘Britain’s Got Talent’ star kicked back in the VIP area, rubbing shoulders with rockers including Kodaline, Peace and The Prodigy.
Hopefully this is the start of a new, exciting chapter for Susan, and we’re hoping she makes the journey down to Reading Festival this August.
This year’s T In The Park took place at a new location, Strathallan Castle in Perthshire, and played hosts to acts including Noel Gallagher’s High Flying Birds, Kasabian, Sam Smith and The Libertines.
Check out all the pictures from the festival below...