FO&O, also known as the duo of Omar Rudberg and Felix Sandman, is a Swedish pop group that gained popularity in the early 2010s. They initially formed as a trio, including Oscar Enestad, and became well-known for their catchy songs and energetic performances. The group participated in the Swedish version of The X Factor in 2013, which helped them rise to fame. After releasing several successful singles, FO&O's music style blends pop and electronic elements, appealing to a wide audience. They are recognized for hits like "Gotta Thing About You" and "Run With You," showcasing their vocal harmonies and youthful energy.