Big Brother Naija star, Ella has gone off on a rant about her co-star, Tacha.    Ella denied claims of doing drugs by pointing out that she’s healthy and with a nice body. She alleged that the person doing drugs was Tacha as she had all the features of a drug addict and it also made her lose weight.    Ella also alleged that this was evident during their reunion show and people who saw photos of Tacha on her …