It sounds to me like your LO may be losing interest in nursing. To me, it sounds like she's playing around at the breast and nursing a lot less, and decreased milk removal can rapidly result in decreased milk supply, which would account for the "shriveled-up" breasts. I'm sure your LO is still getting the amount of milk that she wants, but that amount may be smaller than the amount you want her to have! If you want to make sure she's getting more mama milk, you could try pumping and offering her your milk in a cup. You might also want to cut back, cut out, or water down the juice, which some kids rapidly come to prefer over water or breastmilk.
Congratulations on nursing to 22 months! That's awesome!!!
Coolest thing my big girl said recently: "How can you tell the world is moving when you are standing on it?"
Coolest thing my little girl sang recently: "I love dat one-two pupples!"