Rose Byrne was in Star Wars Episode II, the sequel to Lake Placid, and she even got to cuddle with Brad Pitt in Troy. You probably recognize her from 28 Weeks Later. She’s 29 today.

We all know Summer Glau. She’s the terminator chick from Fox’s Terminator series and she was also in Joss Whedon’s Firefly and Serenity. Her most prestigeous appearance would have to be Average Dudes’ Top 10 Chicks of Prime Time feature. She’s turning 27 today.

[Rose Byrne and Summer Glau on Chickipedia]