I've just found Metallic Hanging Pom Pom Decoration. Luxury metallic tissue paper pom pom decorations for a perfectly chic celebration by Pearl and Earl.
DIY banner accents featuring Gold inch Round Printable Labels from Paper Source. Use as accents with other garlands or pennant banners
Gold Balloons for photo booth. I typically don't like balloons for wedding decor because it can look cheap. But it's super fun and cute for photo booth.