She was most likely paying "Extra" a visit to promote the series premiere of "Chicago PD," which she starred in from 2014 to 2017 as Detective Erin Lindsay.
During a 2018 appearance on Dax Shepard's podcast "Armchair Expert," Bush said being on "PD" was like "I was standing butt-naked, bruised, and bleeding in the middle of Times Square, screaming at the top of my lungs, and not a single person stopped to ask if they could help me."