This is the 7761st most frequent Japanese word.
可愛らしく
Adorably; charmingly; cutely.
In this sentence, '可愛らしく' is an adverb describing the manner in which she was dancing, emphasizing that her movements were charming.
彼女は可愛らしく踊っていました。
She was dancing cutely.
Here, '可愛らしく' modifies the manner of decoration, suggesting the room has a charming and pleasant decoration style.
この部屋は可愛らしく飾られていますね。
This room is decorated adorably.
In this instance, '可愛らしく' describes how the puppy is sleeping, highlighting the endearing nature of its behavior.