"Real beauty is quiet. Especially in this town, it's just so hard not to say, 'Oh, I need to look like that,'" she tells the magazine. "No, be a good person, be a good mom, do a good job with the lunch, let someone cut in front of you who looks like they're in a bigger hurry. The people I find most beautiful are the ones who aren't trying."
Continuing to open up about her life with Louis, Bullock reveals that her son still doesn't know what she does for a living and once thought she was an astronaut thanks to her role in Gravity. The actress adds that she would really like her fame to be "inconsequential" in his life: "I want him to be embarrassed by me like all other parents."
Bullock notes that her child's compliments move her the most. "I was putting him to bed and told him that even when I'm old and gray and more wrinkly than I am now, I'll still love him and want to tuck him in," she recalls. "And he asked why I have wrinkles, and I said, 'Well, I hope some of them are from laughing so much.' And he touched my face and said, 'You're not old, you're just happy.'"
Is Bullock your pick for the 2015 World's Most Beautiful Woman title?
Check out ET's favorite moments with the beautiful actress, below.