Mood: The mood of this video appears to be lively and energetic, with a theme of celebration and revelry. The title 'PARTY ALL NIGHT' and the presence of multiple people in a vibrant setting suggest a carefree and joyful atmosphere.

Environment: The environment seems to be a crowded party setting, likely a nightclub or a similar venue, with bright lights and a lively crowd. The presence of chandeliers or bright lights in the background suggests a somewhat upscale or festive location.