The pair have been added to the already big line-up
You probably know the names Donna Simpson and Vikki Thorn as members of The Waifs, but the pairing also make up The Stray Sisters, who have been added to the Blue Mountains Music Festival bill.
The duo join the likes of Xavier Rudd, Ash Grunwald, Lior, Rose Cousins, Jeff Lang, Jack Carty and more for the event. Relive the whole first announcement here.
The 19th instalment of the festival will take place from Friday 14 to Sunday 16 March across eight stages in Katoomba Public School. Check out theGuide for more details.