What's Up! was a Swedish boy band formed in Sweden in 2007. The original line-up consisted of Eric Saade, Robin Stjernberg, Luwdig "Ludde" Keijser and Johan Yngvesson. After Saade left the band in 2009 to pursue his solo career, Johannes Magnusson joined the band. The original members of the band were selected from the finalists of the music competition, Talangtävling. Their debut single "Go Girl!" reached number five in Sverigetopplistan, the official Swedish Singles Chart. Their debut studio album, In Pose was released in January, 2007, and managed to reach top 40 in Sweden.
https://en.wikipedia.org/wiki/What%27s_Up!