[header] How to tell someone they are beautiful [title] Say it when you feel it. [step] You don't need an excuse to tell anyone that he or she is beautiful. Sometimes there really isn't a " reason " to tell someone they're beautiful; but you do it anyway. 
Maybe the light's hitting them just right; maybe they're wearing a stunning gown; or maybe you want to kiss them. If you feel an overwhelming urge to tell someone that he or she is beautiful: just do it.