Olivia d'Abo was 42 in Justice League: Doom when she played the character 'Carol Ferris / Star Sapphire (voice)'.
That was over 12 years ago in 2012.
Today she is 55, and has starred in 57 movies in total, 18 of those since Justice League: Doom was released.
In Justice League: Doom, I think Olivia d'Abo looks: