Saoirse Ronan From "Atonement": All Grown Up! (PHOTO)

03/18/2010 05:12 am ET | Updated May 25, 2011

Saoirse Ronan, the little girl who played a young Briony in 2007's "Atonement" is all grown up and starring in "The Lovely Bones." The new movie had its UK premiere Tuesday night in London, with even Prince Charles in attendance.

Ronan, now 15, plays a young girl who has been murdered and watches her family from heaven in the adaptation of the Alice Sebold bestseller.