Marie has spoken about her close relationship to Donny in the past, despite having eight siblings.She said of all of them, her tightest bond was with him.“We can finish each other’s sentences," she said. “We also know what each other’s thinking, but we never see eye-to–eye.“That’s our chemistry: it’s toxic,” the 59-year-old icon told Closer Weekly in January 2019.She added however that they do have their differences.The Osmonds singer said that while her brother was super-organised, she loved to “breathe.”“He loves everything organized and structured, while I like to breathe within the structure of the show.