Direct loanword used in the same sense as English 'moonlight'. Common in song titles, product names, and poetic contexts.
今夜はムーンライトがとてもきれいだ。
The moonlight is very beautiful tonight.
月光 is the native Japanese word for moonlight, more common in formal or literary contexts. ムーンライト is a casual, modern loanword often used in creative or commercial naming.
Borrowed from English 'moonlight'.