Rachel McAdams [1] attended the Spirit Awards in Santa Monica on Saturday and lit up the red carpet with her bright-white smile. The Spotlight actress showed up in a floor-length sweeping gown [2] and didn't hesitate to show it off from all angles. Spotlight ended up taking home five awards [3], including the Robert Altman trophy and best feature. Read on to see more of Rachel's night, and then check out all the star-studded arrivals [4]!