Whenever i'm extremely anxious or sick i get chest pains, i'm not sure if they might be related to stress or something else?

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The answer to your question also provides the solution. When anxious we tend to take shallow breaths and lower our shoulders and lean forward, hence the chest pain. May consider yoga, Pilates or some exorcise regimen attuned to deep breathing. Just taking a deep breath and being aware of your breathing, relax and enjoy (be mindful) of yourself. A soft posture brace may help, also.

It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor and discuss if you may be depressed. Counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated. Drink more water. Wish you good health!

While panic attacks are a possibility, it is important to rule out other physical causes without doing too much invasive testing. Some conditions can cause chest pain or feelings of heart racing/skipping a beat and also cause feelings of anxiety. Seeing a doctor and being evaluated considering all of your current conditions and symptoms would be the best place to start.