beautifully(In a beautiful manner) adverb [UK: ˈbjuː.tə.fli] [US: ˈbjuː.tə.fli]Our blackbird sings beautifully on top of the chimney. = Nuestro mirlo canta bellamente en la cima de la chimenea.
prettily(in a pretty manner) adverb [UK: ˈprɪ.tɪ.li] [US: ˈprɪ.tə.li]