Iconic Adverts of all Time on Instagram: "If you love ads like this, Follow @iconiq.ads ❤️ so you don’t miss the next one, also check the link in my bio — I save the good stuff there. 😉 The 2007 Tesco Christmas campaign is a brilliant case study in celebrity endorsement and the power of a “comeback” narrative. Coming right as the group announced their world tour, this commercial didn’t just sell groceries; it sold the ultimate pop culture reunion. The brilliance of the ad lies in its relatabili