If you have been ignoring this look and hoping it was going to go away, now is a good time to face the fact that it is not
Changing what you wear on the top half is easy; changing your whole silhouette requires more effort than changing what you wear on your bottom half. I mean, it is literally easier: if you want to try on a dress or trousers or a skirt, you must sit down, unlace your shoes and wrangle with your jeans or whatever you are wearing. If you are in a shop, you may have to deal with your knicker-clad image in an unfamiliar mirror, as well as the tediously loaded issue of whether the size you have picked out accommodates your waistline. So much easier to buy a pair of earrings or a new sweater, which you can try for size without having to strip off.
I get it. Except, the easy option is not even halfway effective. If you want to fundamentally update your outfit, you need a root and branch overhaul, because the wardrobe centre of gravity right now is a midi-length dress.