Dolly Dots are a popular Dutch girl band in the 1980s. With their style of upbeat dance/pop, they scored many hits throughout Europe. The sextet consisted of Angela Groothuizen, Angéla Kramers, Anita Heilker, Esther Oosterbeek, Patty Zomer and Ria Brieffies.

Source: Wikipedia (https://en.wikipedia.org/wiki/Dolly_Dots)