Summary

The upper forehead slope describes how far the upper forehead tilts backward from the rest of the forehead, and on Grace Kelly's face it measures 7.2°, scoring 10.0, placing her inside the ideal range of 7.0 to 9.0°. Among the women on the wiki, 20% measure inside that range and she stands higher than 30% of them. Her closest matches are Claudia Schiffe and Caitriona Balfe, who both also measure 7.2°, while the highest value belongs to Maya Jama at 21.4° and the lowest to Zendaya at 0.5°. Her Grace's Browridge Inclination Angle measures 18.7°, scoring 10.0, and her Grace's Nasofrontal Angle measures 132.7°, scoring 7.7, and the full picture is on Grace's full Harmony breakdown.