Why not? People get married everyday. I guess mostly weekends are preferred dates to get married. But in a public way everyone gets to celebrate with you. This couple was rushing along to get pictures along the boat lake in the park. Okay I get the photographer dressed casually. The bride has pants under the dress and her jacket over it. The groom might need to grow into his tux. My first impression is that his shoes are not formal either. No matter, a newly wed couple is always a fine photo opportunity.