Oh Seung Ah (오승아; also simply as Seungah) is a South Korean singer under MADA Entertainment. She was a member of the girl group Rainbow and its subunit Rainbow Blaxx until their disbandment in 2016. Gallery "Over The Rainbow" (1)"Over The Rainbow" (2)"Over The Rainbow" (3)"Over The Rainbow" (4)Official links Twitter Instagram YouTube This article is a stub. You can help Kpop Wiki by expanding it. Retrieved from "https://kpop.fandom.com/wiki/Oh_Seung_Ah?oldid=149708" Categories: 1988 births September births Person article stubs Rainbow Rainbow Blaxx Singers Female singers Oh Seung Ah Community content is available under CC-BY-SA unless otherwise noted.