Harvey Weinstein married British designer Georgina Chapman at his waterfront Connecticut estate Saturday night before a crowd that included Jennifer Lopez, Marc Anthony, Cameron Diaz, Renée Zellweger and Naomi Watts , PEOPLE reports.

"The wedding was the most elegant, loving affair I've ever seen," one guest told PEOPLE. "The room was full of incredible people who were there to toast the couple, who looked totally in love."

"Harvey looked the happiest he's ever looked," added the source. "Georgina was absolutely glowing."

"It was like a fairy tale wedding in a big tent with chandeliers and mirrors and pink flowers, " says another source.