Midway through a full day of interviews to promote the release in Japan of her latest film, Renee Zellweger shows no signs of fatigue.

"I love talking about Judy Garland," she says. "Let's do it."

Zellweger's love for the Hollywood legend, who she plays in "Judy," was the driving force to bring Garland's bittersweet story to the big screen. That love was returned by her peers earlier this year at the Academy Awards when she took home the Oscar for best actress.