Fiance star Emily Bieberly received praise after debuting her slimmed-down figure less than a year after welcoming her third child.

Tiffany's determination to lose weight is commendable ... She underwent bariatric surgery and dropped nearly 90 pounds before her debut in 90 Day: The Single Life. The single mom reclaimed ...

Created by dietitian Courtney Kassis, it's touted for weight loss ... she lost 15 pounds in just two months and significantly improved her thyroid function. Key points: The 90-30-50 diet plan ...