Heat the oil in a large stock pot and cook the onion, celery and carrots for 3 - 4 minutes, until onions are translucent.
Stir in the strained broth and bring to a boil.
Add the shredded chicken and stir in the Knorr Sides Spanish Rice mix.
Continue to boil for 5 minutes then add the corn and cook another 3 minutes.
Stir in the zucchini, let it heat through and then serve with limes and chopped cilantro.