Summary

The Interpupillary-Mouth Width Ratio describes how mouth width lines up with the spacing between the eyes, and on Aaliyah Haughton's front-facing profile it measures 0.84x, scoring 10.0. That places her inside the ideal range of 0.80 to 0.84x, a band shared by only 30% of the women on the wiki, and higher than 80% of them. Her closest matches on this measurement are Alexa Demie, Amelia Gray and Ariana Grande, all at 0.84x. At the extremes, Naya Rivera records the highest value at 0.99x, while Lily Cole records the lowest at 0.64x. See Aaliyah's Chin to philtrum ratio and her full Harmony breakdown.