Star Trek celebrity guest Kirsten Dunst playing Hedrilin an appearance from The Next Generation in the Dark Page episode. She's a famous movie actor.
The top picture is the actor in normal circumstances, and the bottom picture(s) is of the actor in their specific role(s).
6 pictures from Dark Page
An up and coming movie actor, most recently starring in all three Spider-Man movies, Crazy/Beautiful, Drop Dead Gorgeous, Bring It On, and she got her big break in the movie Dick.
Dark Page -Star Trek: The Next Generation - 259 (episode # 7.7) -Playing Hedril -A Cairn girl who was with her father on a diplomatic visit to the Enterprise-D. Hedril's resemblance to Lwaxana Troi's dead daughter caused Lwaxana to lapse into a coma.