United Kingdom, June 5 -- Kimberly Wyatt had a hip replacement operation - and expects to need another in the future.

The 44-year-old singer is currently preparing for the Pussycat Dolls' comeback tour and while she is working hard on her dance moves, including her signature standing split, she is still "not totally" pain free after having the joint replaced two years ago.

She told The Times newspaper: "The leg lift is coming [on tour].

"I've been getting in my ballet moves, my releves, my plies, using a pull-up bar every week. That leg is my legacy...

"The future will probably be another hip replacement at some point".

Despite the Pussycat Dolls' success in the late 2000s, Kimberly acknowleged she and her bandmates - "lead singer" N...