El edificio es bonito
"Building" in Spanish is "edificio".
You can say "Eres bonita".
bonita
You can say "Ella es bonita".
mujer bonita
There is no direct translation for "pretty please". Simply say "Por Favor" (please).
You can say "Ella es muy bonita".
You would say "guapa pero gorda".
You say it pretty much the same way you say it in English: xenofobia.
En que edificio estas?
un bebe guapo/a
usted no es bonito