Why it worked
The video leverages the popularity of a celebrity (Justin Bieber) attending a high-profile event (FIFA World Cup) to draw attention to the creator's content, which then subtly promotes the Miu AI app through its aesthetic appeal and direct mention in the bio and caption.
Summary
The video shows Justin Bieber and his partner attending a FIFA World Cup match, with the creator using this as a backdrop to promote the Miu AI app. The creator's bio and the caption explicitly mention using the app for aesthetic content creation.