Celebrity personal trainers Shawn Booth (winner of “The Bachelorette”) and Erin Oprea turn the Connecticut Convention center into a gym Sunday, Jan. 8, when they lead a “killer” indoor workout. CityStrong travels to such cities as New York, San Diego, Chicago and Nashville. Doors open at 9 a.m.; show up early because the 90-minute workout party starts right at 10. Bring your ID and a mat. Cost is $40; $75 for VIPs. Tickets at citystrong.com. Some availability at the door.