How to tone your stomach for girls?

Anonymous
So I went to England for 3 weeks and when I came back to New york I noticed my stomach was a bit out i was like freaking out so how do i tone it and make it flat because i've never had this happen before I'm actually really fit and work out but when i was gone out i didn't have time to do so, so any ideas guys or girls? Would really be appreciated thanks.
How to tone your stomach for girls?
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