Katie Holmes and Aaron Eckhart in Thank You for SmokingTHANK YOU FOR SMOKING

Jason Reitman's Thank You for Smoking, adapted from Christopher Buckley's satiric novel, doesn't have much visual flair, but one recurring image in the film lends it worlds of variety: Aaron Eckhart's smile.

Renee Zellweger in Nurse BettyNURSE BETTY

It's one of the iconic movie moments of the '90s: Renee Zellweger, as Dorothy Boyd, responding to husband Jerry Maguire's declaration of love with a throaty "You had me at hello." It was at that point that audiences everywhere lost it, not just because of the perfection of the line itself, but because Zellweger delivered it with such vulnerability and delicacy that it was emotionally overwhelming; you not only wanted to reach out to her, you wanted to hug her and not let go.