[baby bellas mom]

so I have Bella on dick van pattens limited ingredient food and she has not eaten today at all!! i dont know what to do and i can hear her tummy making noises! i know shes hungry because she eats twice a day...i guess she is tired of it and i will have to change her food....i was wondering if anyone had any suggestions as to what to do or what kind of food to switch her to?!