short flare dress Sleeveless Fit and Blue Cotton Poplin Fit and

For the "Love, You Didn't Do Right By Me" number, Betty wears a long, black dress that has a flared hem and white glittery gloves

When he visits Kitagawa's (very nice) apartment for the first time, Kitagawa thinks he was shocked to see her without her contacts (it was actually because she was in pajamas and her top was almost falling off exposing her chest), and later while she's cooking for Gojo she realizes she wasn't wearing her bra, but thinks he didn't notice (he definitely did)

Besides the fact that black is slimming it's also super sleek and professional

Pairing with Jeans While a dress shirt and tie are typically associated with formal occasions, pairing them with jeans can create a more casual and laid-back look