Adele moved in with her boyfriend, Rich Paul, after a year of dating in her new $58 million property. The singer shared the news on her Instagram by posting a picture of the couple holding a set of keys outside of their new abode. The mansion is located in Beverly Hills and was previously owned by Sylvester Stallone. The actor has been trying to sell the mansion that he purchased in the ’90s for a while now. He initially put it on the market for $110 million, but as there were no takers, he cut the price down to $85 million just this month. The house is about 18,587-square-foot, set over three…