During the height of her popularity , she even managed to outsell Madonna in a number of countries around the world .
A cult star with a devoted fan base , Sandra remains one of the most popular singers of the 1980s in Continental Europe .
During the height of Sandra 's popularity , Sandra even managed to outsell Madonna in a number of countries around the world .
A cult star with a devoted fan base , Sandra remains one of the most popular singers of the 1980s in Continental Europe .