Over the summer, Jennifer says Jamie called her every week to talk about Oscar buzz. "He would let me know what was coming, how to prepare myself and how to enjoy it," she says.
Jamie wasn't the only one rooting for this rookie. On Oscar night, another well-known co-star told Gayle King how she felt about Jennifer's big win. "We're all so proud," Beyoncé said. "Jennifer just brought us all to tears."