United Kingdom, March 12 -- Rose Byrne still becomes a "10-year-old girl" around Kylie Minogue.

The 46-year-old Australian actress grew up a huge fan of the I Should Be So Lucky hitmaker, and while they've become "a little bit friendly" over the years, she can't stop feeling starstruck whenever they're together.

She told Tattler magazine: "I went to all her concerts... I am a little bit friendly with her now. I'm still a 10-year-old girl if I'm around her."

The If I Had Legs I'd Kick You star is no stranger to meeting her heroes, as she once got chatting to Jack Nicholson in a queue for the bathroom at a basketball game.

She recalled: "I met him at a basketball game, the Lakers, waiting for the bathroom.

"I think a girl had gone into...