It’s getting serious! Brad Pitt and Ines de Ramon, who were first linked after they were spotted at a Bono concert at the Orpheum Theatre in LA on Nov. 13, are shacking up, In Touch has learned. The actor, 59, recently decided to sell the Los Feliz compound he’d shared with ex-wife Angelina Jolie and downsize, purchasing a $5.5 million mid-century modern pavilion made entirely of glass and steel tucked into the Los Feliz foothills. He surprised the jewelry executive, 32, with the home right after closing on it, then asked her to move in with him, and she said yes,” says a source close to the couple. “Brad fell in love with the house, just as he’s fallen in love with Ines.” Built in 1960, the 2,000-square-foot home is…