Sign up Marie Osmond is an American singer, actress, author, and talk show host. She gained fame in the 1970s as part of the showbiz family, the Osmonds, though she built a successful solo career separate from her brothers. Known for her work in country and pop music, Marie has also appeared on television and Broadway. She co-hosted the popular variety show Donny & Marie with her brother Donny Osmond and has remained a prominent figure in entertainment for decades.