
Beyonce Knowles attributed her 20-pound weight loss for the movie "Dreamgirls" to the Master Cleanse — Beyonce Knowles uses the Lemonade Diet. , a starvation diet whose adherents swallow nothing but a concoction of lemon juice mixed with maple syrup, water and cayenne pepper, as well as salt water and a laxative tea for 10 days.Beyoncé's Maple Syrup Diet Get Fit and Lose Weight in 2009. Beyonce's Master Cleanser Diet Fast Helped Her Lose 20 Pounds. Beyoncé 'Wouldn't Recommend' Liquid Diet. The singer says she lost 20 lbs. quickly on the regimen, but put it on again.