As good as gold. Zendaya and Tom Holland debuted matching gold bands in London Thursday morning — after secretly holding a wedding celebration in the UK. As seen in pics obtained by Page Six, the “Spider-Man: Brand New Day” co-stars were rocking their new jewelry while visiting a coffee shop with their dogs. In the snaps, Zendaya held onto Holland’s arm as he walked beside her and their pets on the stroll. The couple dressed casually for the outing, with Zendaya, 29, rocking an oversized T-shirt, blue jeans and ballet flats. Holland, 30, sported a blue T-shirt with white letters that read, “Thank you for being a friend.” He paired it…









