Olivia Wilde “is falling in love” with Harry Styles, an insider shares EXCLUSIVELY with HollywoodLife. Though it’s only been a handful of weeks since Olivia, 36, and Harry, 26, were seen hand-in-hand at his agent’s wedding, the House alum has found she’s rather fond of the “Watermelon Sugar” singer. “She is falling for him hard,” the insider shares, “but doesn’t want to move too fast and scare him off.