If SZA could change the past, she would have never gotten a Brazilian butt lift! For those who don't know, the 35-year-old singer sparked speculation she got the cosmetic procedure done after she dropped her album SOS, where she sang the lines, "So classic, that a** so fat it look natural, it's not." She confirmed the rumors to Elle last year. And now? Well, it sounds like she regrets getting a BBL! In an interview with British Vogue published on Thursday, the 35-year-old singer revealed she is "so mad" that she got the procedure – which enhances the size of someone's backside . . .