Demi Lovato has credited nostalgia for being the reason she's been able to reconnect with fellow Disney alumni Selena Gomez and Joe Jonas. In a new interview with Billboard , Lovato spoke briefly about singing the Camp Rock song "This Is Me" with Joe Jonas at a show in Orlando, as well as how the love of throwback moments by fans is driving new Disney reboots and specials. "I think the age that we’re at is really loving nostalgia right now," Lovato said. "For all the people who are in their 30s and have lived through the Disney era with me, Selena (Gomez), the Jonas Brothers, and Miley, they’re craving it, and it’s fun to go back and relive those moments." Lovato also said the public's fascination with the Disney Channel's golden era has "definitely" helped her reconnect and rekindle former friendships.…