Very Big Blow-up, yellow dress, TV Studio, Microphone in hand, singing, Gorgeous and famous "Agnetha " rom ABBA Pop Group , blond short disheveled hairdo with silver 1980 microphone in hand, is permforming her new 1983 hit in the German TV show "Wetten Das . . . ?, Berlin, Gemany. She wears a stylish light yellow grey overall with girtle and light brown short boots.