Thousands of pounds worth of wedding outfits were taken from a Ripley store overnight between Wednesday and Thursday.
Police are now appealing for information after Glitz and Glam on Grosvenor Road was raided sometime between 5pm on Wednesday and the following morning at 9am.
The force believes burglars forced a fire door to get into the store.
Several wedding dresses and a safe containing money were stolen.
Tills were also looted alongside clutch bags, flower girls dresses and shoes.
If you witnessed anything suspicious around the time, call police on 101.