Marriage is still wine and roses for Jennifer Lopez and Marc Anthony, who renewed their vows early Sunday in Las Vegas, Us Magazine reports. The couple, married more than 4 years, had a 3:30 am ceremony at Caesars Palace after enjoying dinner, the craps tables, and a Pussycat Dolls concert. “It was very intimate and sweet,” a source said. “They both talked about how much they love each other.” (More Jennifer Lopez stories.)