Your Club Mumu tier is determined by the amount you spend in a calendar year (Ex. Jan 1, 2020 – Dec 31, 2020). To reach: Mumu Babe, you must spend $500 Mumu Lover, you must spend $1,000 Mumu Bestie, you must spend $3,000 Mumu VIP, you must spend $5,000+ Once your spend hits the next tier, you will instantly move up and have access to that tier's perks through the rest of the current calendar year as well as the following calendar year.