Mood: The mood of this video appears to be melancholic and introspective, with a hint of empowerment. The phrase 'Big Girls Don't Cry' suggests a theme of resilience and strength in the face of adversity. The overall emotion seems to be one of quiet determination.

Environment: The setting appears to be a dimly lit, possibly indoor location with a stage or performance backdrop. The presence of string lights and a wall with decorative letters and stars suggests a nightclub, concert, or a similar entertainment venue. The atmosphere seems to be moody and intimate.