How to Make the Top of Your Dress Tighter

Put on your dress with the bra or undergarments you plan to wear, then look for where the top feels loose: at the straps, bust, side seams, or back. Pinch the excess fabric evenly on both sides and sit, raise your arms, and take a deep breath to judge how much room you can remove without making the bodice uncomfortable.

If the straps slip but the bodice fits well, shortening the straps may be enough; if the fabric gaps around your torso, the side seams or back may need adjustment. For a temporary fix, gather the extra fabric at the back with a small clothing clip or fashion tape, keeping hardware away from your skin and testing it before you leave home.

Fashion tape can help hold a gaping neckline against your skin or undergarment, while a discreet clip can pull in loose fabric at the back. Apply tape to clean, dry skin, follow its instructions, and remove it gently; it controls gaping but does not permanently reduce the size of the dress.

For adjustable straps, shorten them a little at a time and check that the neckline stays comfortable when you move. A belt can define the waist on some dresses, but it will not fix excess fabric above the waist, so pair it with another adjustment if the bust still gaps.

To take in a simple bodice, turn the dress inside out, put it on carefully, and pin equal amounts along the side seams, keeping pins pointed away from your body. Remove the dress, mark the pinned lines, and baste along them before trying it on again; adjust as needed, then sew the new seams and press them according to the fabric’s care instructions.

A tailor is a good choice for a lined dress or one with boning, a zipper, delicate fabric, or detailed seams, since those features can make alterations more complicated. If you are also refining the fit of other pieces, our guide to trim crop tank tops and fit tips offers more outfit and DIY ideas.