GWEN STEFANI DISCOVERED HUSBAND WAS CHEATING BECAUSE OF iPAD It turns out Gwen Stefani’s divorce from rocker Gavin Rossdale involved technology. The couple, who divorced this year after 13 years of marriage, ran into a mixup involving a phone, the family iPad, and iCloud that ended up revealing Rossdale’s years-long affair with the nanny. Back in February, Stefani uncovered Rossdale’s long-term affair with the family’s long-time nanny — including nude photos of Mann and their plans to hook up — on the family’s iPad. The iPad was linked to Gavin’s phone. One of the other nannies discovered the exchange and told Gwen.