toddler not eating. help


hi dear parents so I have 4 yr toddler. she was good eater until 2,5 years after that she started getting picky and picky now she is not eating anything at all only ice creams and chocolates. I'm making breakfast and it's on table without touching making lunch only couple bites dinner I'm forcing her. she constipated coz not eating fruit s and veggies. plz tell me I'm not only one who have this problem. plz help me what should I do?