Everyone is talking about reformer Pilates and with the likes of LeBron James, Hailey Bieber and even Ed Sheeran opting for a spin on the carriage to keep fit, the workout style has become wildly popular. But keeping up with the fastest-growing fitness trends can come at a cost. Studio classes don’t come cheap and investing in an at-home reformer machine can easily set you back more than £500. That’s where Aldi comes in. After its affordable reformer Pilates machine caused a frenzy in the middle aisle last year, the budget retailer has brought it back once again. The reformer first launched in Australia before landing in UK stores. And, true to Aldi’s Specialbuys model, once it’s gone, it’s gone. Demand was so high last time around that shoppers queued outside stores before opening, with the machine selling out in record time. Some savvy buyers even resold theirs on eBay for double the price.…