04/15/2011 03:26 pm ET | Updated Jun 15, 2011

Emma Watson Then & Now (PHOTOS, POLL)

Emma Watson -- and her outfits -- have grown up in the style spotlight, so it only seems fitting to celebrate her 21st birthday with an album of our favorite looks.

From her semi-clumsy, Bat Mitzvah-worthy premiere frocks and showing off her Calvins on "TRL" (R.I.P.) to her recent turns on the red carpet topped off by her chic new 'do, check out the actress then & now and tell us which ensembles you like best.

(Photos by Getty)