Geike Arnaert is the former lead singer of the Belgian pop group Hooverphonic. Born on 13 September 1979, she was raised in Westouter, a small village in Flanders, northern Belgium. She has two siblings: Anne and Kaat. Her basic musical influences range from the Rolling Stones, the Doors, David Bowie, Iggy Pop, Led Zeppelin, Lou Reed, Nirvana, Joni Mitchell, Portishead, Massive Attack, Cocteau Twins, and Blondie.
Geike has sung as a guest vocalist for Ozark Henry and various other artists. She recently recorded the historical French song "Le temps des cerises" as a duet with singer-songwriter and entertainer Bobbejaan Schoepen for his 2008 album "Bobbejaan", his first album in 35 years. Her sister, Kaat Arnaert, has been a featured singer with the Belgian group Sutrastore.
Geike contributed vocals to Mijn Leven (My Life), the final single of Dutch rapper Vijvenveertig (Andy Sierens). The song was recorded two weeks before Sierens died of cancer.
On 10 October 2008, Arnaert announced she would leave Hooverphonic by the end of the year to pursue her solo career. The last concert of Hooverphonic with Geike happened on 13 December 2008 in Tele-Club, Ekaterinburg, Russia. It was filmed by local MTV station and was shown on Russian TV in 2009.