Caught Live Bloopers on Instagram: "During a live KTLA 5 segment in Hollywood, reporter Allie Mac Kay joined a Shake Weight fitness class to show off the trending workout — but the demonstration quickly went off the rails. As soon as the group began using the Shake Weights, the anchors back in the studio couldn’t stop laughing at the unintentionally suggestive motions. Allie tried to stay professional, but the entire room was in on the joke, creating one of the funniest local news moments ever c