At a time when girl groups were scarce, The Saturdays were welcomed like an ice-cold drink on a summer day. The UK band erupted in 2008, unleashing pulsing electro-pop songs solidly aimed at teens and sweeping up fans by the millions. Loud, fluorescent and packed with feisty attitude, the perfectly formed pop of their debut album Chasing Lights paved the way for experiments in R&B, rock and dance on follow-up LPs.