Nicole Kidman [1] was on hand to support her husband, Keith Urban [2], for his big night at the ACM Awards in Las Vegas on Sunday. The couple, who've spread their love all around the globe [3], were as cute as can be while posing for photos on the red carpet. At one point, Keith — knowing how stunning his wife looked — took a step back to admire her beauty. Later in the night, Keith took the stage with Miranda Lambert [4] for a performance of ZZ Top's "Tush." Keep reading to see more pictures, and then check out all the stars who popped up at the event [5].