The Saturdays do matching dresses for one of their appearances This image appears in the gallery:HAPPY BIRTHDAY FRANKIE! Celebrate The Saturdays Star's Big Day With 26 Of Her BEST Pics 11. The Saturdays do matching dresses for one of their appearances 26 images See the full gallery: HAPPY BIRTHDAY FRANKIE! Celebrate The Saturdays Star's Big Day With 26 Of Her BEST Pics