United Kingdom, Feb. 23 -- Conan O'Brien has been "practicing backflips" in case Rose Byrne wins an Oscar.

The 62-year-old talk show host is returning to host this year's Academy Awards but he admitted he won't be maintaining a neutral stance if his If I Had Legs I'd Kick You co-star triumphs in the Best Actress category for her work on the film.

Asked if he'll retain his professional demeanour, he told the New York Times newspaper: "Forget it. Not happening.

"I have been practicing backflips and, with the help of my surgical team, I am ready to go should the occasion arise."

Rose won the Golden Globe for Best Actress in a Musical or Comedy last month, but because she felt "totally out of [her] depth and inarticulate" when she got on ...