10 mistakes guests should never make at weddings, according to etiquette experts

According to etiquette experts, there are a few things wedding guests should never do. Klaus Vedfelt/Getty Images Business Insider asked etiquette experts about the mistakes guests should never make at weddings. Guests shouldn't ignore the RSVP deadline or arrive late to the ceremony. Overindulging at the bar, bringing an uninvited guest, and taking food home are all major faux pas. No one wants to be that guest at a wedding. You know, the one everyone is whispering about for walking in dur...