AGE: 22 PROVENANCE: Adelaide, Australia. FROM RETAIL TO INTERNATIONAL RIGHTS . . . As a teen, she left her job at a local clothing store to make the low-budget film 2:37 which was accepted into the Cannes Film Festival. "It was such a pinch.yourself moment," says Palmer. "The highlight of my career so far." ENTER SANDMAN: Palmer landed her breakthrough role, in this month's Bedtime Stories, by impressing its star, Adam Sandler. "I got a call saying, 'Adam wants to meet you now. You've got half an hour," remembers Palmer. "I was at Starbucks in my sweatpants." EVEN MUM GOT A LITTLE SCREEN TIME . . . My mother came out, and Adam put her in the film! My best friend was on set, and Adam said, 'Hop in, too. Go for it."