Is this the first look at Serena Williams’ wedding dress? The tennis champion shared a very suggestive snap on her Instagram yesterday that hints at a dreamy wedding dress detail. https://www.instagram.com/p/BSYndFwhY8P/?taken-by=serenawilliams The picture shows intricate lace detailing bordering a swath of light fabric that’s cascading down the back of what looks like someone in a white gown. Is it Serena? READ: 9 Autumn Inspired Gowns for Your Wedding Williams captioned the picture: ‘’Romantic