AMY ELISA KEITH
08/21/2006 at 01:00 AM EDT
"After dancing for Janet Jackson
, it's like, 'Where do you go from here?'" says Step Up
's Dewan, 25, a former backup dancer who toured with Diddy and 'N Sync. Now she's teaching Hollywood a step or two, like her tango with Antonio Banderas in Take the Lead
. With a role in The Grudge 2
up next, the actress misses her old moves: "Except for in movies, I haven't danced in years."