About 90% of the pants need extra fabric added to allow for movement; she's not a mermaid and needs some leg room. I put all the fabric for this on in the back. There are only so many places you can add it, so I like to mix it up. I added some hearts to the front to add some detail and cover a slightly worn spot.
This khaki pair got fabric added in the front and back. The pleated ruffle on the bottom added the required length.
Then I couldn't help add flowers to the front in coordinating fabric and buttons.