Anni-Frid Lyngstad, known to fans as Frida, is a Norwegian-born Swedish singer, songwriter, and environmentalist. She rose to international fame as a lead singer of the iconic Swedish pop group ABBA, one of the most commercially successful acts in music history. Following ABBA's hiatus, Lyngstad embarked on a successful solo career, releasing several well-received albums. In her later years, she has largely withdrawn from public life, dedicating her time to family and various charitable causes.