Que tenga un día dulce.
The translation for "sweet" in Spanish is "dulce."
So sweet. = Tan dulce.
Dulce
¡Que dulce!
Lovable in spanish is: adorable (ah-do-rah'-blay) or Sweet in spanish is: mimoso
Sweet Lady love = Dulce dama amor
Eres bonito/a, agradable
eres dulce
ricura
sweet tea
... or sweet
"You're so sweet, baby!" in English means ¡Eres tan dulce, bebé! in Spanish.