It’s always best to be quick when you spot a trending piece on Marks and Spencer as it can go out of stock in the blink of an eye. One sell-out item that was recently restocked at the retailer is an elegant black dress for under £30.

The Asymmetric Ruched Midaxi Bodycon Dress, £29.50, from the M&S Collection was launched as part of the spring-summer range. Fashion fans loved it so much that it was sold out for months – until now.

Our fashion reporter Bethan Shufflebotham couldn’t find her…