Best way to get slim arms but not muscly?

i am a 14 year old girl.
i do a LOT of exercises/activities and i have gained a lot of muscle over my body.
since i am 14 and a girl it doesnt look nice ona girl to be muscly.
i am goin to a wedding in june and i am wearing a dress.. my arms look huge in it.

You can’t only really lose fat off your arms by doing cardio such as running. As for the abs, cardio would also work but just throw in some crunches… i would aim for 50 in the morning 50 in the evening.

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