Natalie Portman at Czech Premiere

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Having grown her hair out some, Natalie Portman is seen here with large, vertical curls.  Locks such as these shrink up a lot of length and this style takes on a look from the twenties.  Ms. Portman could easily have been a "flapper".   Use of a curling iron would give you this look easily, simply apply them in the places as desired and skip any comb out.