Soak skewers in water at least 30 minutes.
In a large bowl, combine vinaigrette, shrimp, cherry tomatoes, corn, red onion, yellow squash and zucchini; marinate 30 minutes-1 hour.
Preheat grill to medium heat.
Skewer pieces of cherry tomato, shrimp, corn, zucchini, red onion and yellow squash on wooden skewer.
Repeat with remaining ingredients and skewers.
Grill kebabs about 8 minutes, turning frequently until shrimp and veggies are cooked.
Serve with additional vinaigrette.