Bruce Springsteen has led a new campaign to get New Jersey residents to wear a mask across the holiday season, ask the US continues to see rising coronavirus cases.Also involved in the #MaskUpNJ campaign are Jon Bon Jovi and comedian Jon Stewart.Sharing a photo of a billboard with the trio photographed wearing masks, Springsteen tweeted: “Teamed up with some fellow New Jerseyans to encourage everyone this holiday season to wear a friggin’ mask.