Nicole Kidman is under arrest. Following her split from Keith Urban , the “Big Little Lies” actress, 58, attended Sabrina Carpenter’s concert in Nashville on Tuesday and was jokingly “arrested” by the 26-year-old pop star. “We come to this arena for magic, right?” Carpenter said on stage in a video from the show, referencing Kidman’s iconic AMC Theaters ad. “Oh my goodness,” Carpenter added, as Kidman suddenly appeared on the big screen from her front-row seat in the audience. The Australian