When it comes to designer handbags, Trinny has some pearls of wisdom to share – join her on a tour around Selfridges Manchester to check out a few high-end pieces. From quilted Chanel classics to Dior’s characterful totes and reimagined Prada icons, there’s so much to choose from. But what makes a great designer investment? Consider Trinny’s advice and you’ll be sure to find a piece you’ll cherish forever…