The 31-year-old mom of two looked radiant in a strapless white gown that hugged her slim frame, showing off just how far she’s come since starting her post-baby health journey. But not everyone recognized her. “This is Meghan Trainor? Omg,” one fan wrote. “She lost her bass,” another joked. Inside Meghan’s transformationMeghan has been open about her transformation, revealing that...