Continue into a quieter lower half
Use the lower half to absorb the blouse rather than compete with it. High waisted trousers or an A-line skirt can provide a simple shape beneath front ruffles. Choose a calm surface and avoid placing a bold print, several buttons, or a highly contrasting belt directly below the blouse. A simpler bottom does more than look plain. It gives the eye somewhere to rest after the concentrated front detail.
For continuity, repeat the white once or keep the value change gentle. A pale shoe, a light bag, or a bottom in a nearby light value can carry the blouse color beyond the hem. If you prefer a dark bottom, use a clean waistband and repeat the dark color at the shoe so the lower half reads as one unit rather than several horizontal bands.
Before buying, confirm the exact variant and material. The listing identifies the white option in size X Large and 100 percent polyester. Those facts do not predict how the blouse will fit or feel on you. Check the current retailer details, compare the listed measurements with a blouse you own, and decide whether the loose cut works with the bottoms you intend to wear.
Finish with one check of all three signals. First, can you see space around the collar? Second, do the ruffles and buttons read as one front direction? Third, does the lower half continue the outfit without another crowded boundary? If one answer is no, change only that zone and look again. This keeps the Romantic softness while making the exact blouse easier to judge and style.