On the first night of her new Las Vegas residency, “Up All Night: Live In Las Vegas,” Jennifer Lopez, 56, clapped back at her critics who judge the way she dresses. “It is funny, I do laugh at some of the things sometimes, but they do say funny things, too,” Lopez told the sold-out audience of more than 4,000 people at The Colosseum at Caesars Palace on Tuesday night. nypost.com