Jennifer Lopez hits the stage for her Las Vegas residency, plus Ryan Seacrest, Rita Ora, Mariah Carey and more. From Los Angeles to New York City, and everywhere in between, see what your favorite stars are up to.

For the first time, “Rockin’ Eve” is bringing the Central Time countdown to viewers coast to coast. While that means no “Countdown Chicago,” ABC7’s Terrell Brown and Cheryl Scott will unveil a new dance routine Wednesday as part of their annual tradition.