Ariana Grande is sharing the secret to how she stays so slim! how she stays in such great shape, Ariana revealed: “I have been a vegan for. 5 ft 1 in, petite pop star, Ariana Grande is an American actress and singer. However, she seldom did that to melt pounds. In fact, she was never so concerned about her weight, for she felt it was perfect. Since wholesome foods have spectacular impacts on your skin and body, the apparent changes in. Ariana Grande has lost a lot of weight without weight loss surgery. Here are the things that she did to achieve that big transformation. skinny and shit like that put I wanna be skinny like Ari and so thats why am going to start a.