Inventories are being kept tight in hope of increasing full-price selling and reducing markdowns.
The music star had launched the collection last February during New York Fashion Week.
On Thursday, the luxury fashion firm received the green light from Commissione Nazionale per le Società e la Borsa.
“The size is an ode to my mother who is always complaining that I wear my bags too big,” the designer said with a laugh.
The title has already begun to trumpet the news of its cover star for the month.