There are practically endless possibilities to styling shirts under dresses
This is personal preference

MODE Acne Studios AFRM Agua Bendita Agua by Agua Bendita Aje AKNVAS ALMAIS ALEXIS ALICE + OLIVIA ALIGNE Alix of Bohemia Altuzarra Amanda Uprichard AMI AMUR Ancora Andrea Iyamah Andres Otalora ANINE BING Anna October AnOnlyChild Another Girl Another Tomorrow Apiece Apart AREA Arianne Elmy ASTR the Label AYR Azeeza Azulu B ba&sh Bailey Rose Balmain BAOBAB BARDOT BAUM UND PFERDGARTEN Beach Riot Bec + Bridge Bell Bernadette Birds of Paradis Bite Studios Black Halo BLANKNYC Borgo de Nor Brandon Maxwell Busayo By Malene Birger C Cala de la Cruz Camilla Cara Cara Caro Editions Carolina K CAROLINE CONSTAS Casablanca Cecilie Bahnsen CeliaB Christopher Esber Ciao Lucia Cinq Sept Cleobella CO Coniglio Palm Beach Coperni Cult Gaia Cultnaked Price 17 1.686 Zurcksetzen 17 1.686 Style All Style A-Line Babydoll Cutout Knit Shirtdress Slipdress T-Shirt Dress Wrap Occasion All Occasion Active Casual & Everyday Event Night Out Vacation Neckline All Neckline Boat Collared Cowl Crew Halter Hooded Off Shoulder One Shoulder Scoop Squared Strapless Sweetheart Turtle & Mock Neck V-Neck Length All Length Mini Knee-Length Midi Maxi Sleeve Length All Sleeve Length Sleeveless Short Sleeve 3/4 Sleeve Long Sleeve Maygel Coronel Vestalia Dress Previous Price 446,92 Sale Price 245,81 GANNI U Neck Mini Dress Previous Price 262,90 Sale Price 131,45 Kivari Ruby Strappy Maxi Dress Previous Price 288,31 Sale Price 144,15 Ulla Johnson Fianna Dress Previous Price 604,66 Sale Price 241,86 Sea Cornelia Print Long Sleeve Midi Dress Previous Price 346,15 Sale Price 173,07 Ulla Johnson Aydin Cami Midi Dress Previous Price 429,40 Sale Price 214,70 A.L.C

Another difference is that button-down shirts are typically made from stiffer fabrics like oxford, twill, or broadcloth