Sister Michael AKA Siobhan McSweeney 'impressed' she's watching over Glastonbury

Siobhan McSweeney has retweeted an epic image of two party goers at Glastonbury holding a flag of Sister Michael rolling her eyes.

In the Tweet @siobhni says: "Omg. I want all the Irish people at #Glastonbury to gather under this flag, and storm the pyramid stage!!"

The initial Tweet was sent by Hannah O'Connell writes: "Sister Michael watching over us at #Glastonbury #DerryGirls"

Siobhan McSweeney's Tweet was met with: "This is literally the most perfect flag to ever exist".

And @tomcopley who posted: "Omg this is incredible. I will be looking out for this flag for the rest of the festival!"