United Kingdom, May 5 -- Nicole Scherzinger "trained like an Olympian" for her role in 'Sunset Boulevard'.

The 46-year-old pop star won an Olivier for her role as fading actress Norma Desmond in the West End revival of Andrew Lloyd Webber's classic musical last year, and now that she has been nominated for a Tony Award following its transfer to Broadway, she has admitted that she approaches every performance like an athlete.

She told Spectrum News: "I trained like an Olympian! Before I go on stage, my friend was asking me why I went on the trampoline, and I pace back and forth like I'm a boxer about to go on stage. I'm an Olympian. That's the level that we have to get physically, and emotionally ready for this show. And I'm just so grat...