This would probably need to be 2-3 pieces. A shorter base wig, the front and top tuft, and possibly a separate braid. Or the top section and braid could be one piece that attaches to the base wig.
Some people dye their own hair, and clip in the top and braid, as seen here
. She may have simply used a very long, red wig; folded the scalp part into the right shape, pinned/clipped it to her own hair, and braided it down. You could probably accomplish the method with a base wig, too.