Summary

Katy Perry's gonion to mouth line measures 18.89mm, scoring 10.0 and sitting inside its ideal range of 15.00 to 45.00mm. This measurement assesses vertical jaw growth by comparing the position of the gonion, the jaw's angle, to the corner of the mouth, where gonion below the mouth indicates sufficient growth for jaw volume. Her closest matches on the wiki are Kaia Gerber at 18.74mm, Alessandra Ambrosio at 18.98mm and Meagan Good at 19.02mm. Her value is higher than 90% of the women on the wiki, while 35% of them measure inside the ideal range, and the highest on the wiki is doutzen kroes at 25.55mm, with Jisoo (BLACKPINK) lowest at -2.40mm. See also Katy's Mandibular Plane Angle and Katy's Gonial Angle within her full Harmony breakdown.