It looks like Don Lemon is having a rough week. The stress being on a failing talk show and having a giant ego is turning Lemon sour.

Lemon had a second meltdown at work just hours after his first one was exposed. According to a insider, Lemon went "ballistic" at CNN staffers after the company newsletter featured a story about his altercation with co-star Kaitlan Collins.

This isn't the first time Lemon has lost his cool at work. Lemon's meltdown happened off-camera on December 8th, in which he accused Collins of "interrupting" him during their broadcast. This heated interaction left Collins "visibly upset" and CNN staffers "shaken."

CNN's youngest chief White House Correspondent, Collins, reportedly wants to be on set with Lemon as little as possible.

But it's not just Collins who's struggling with Lemon's behavior. The network is recording its worst ratings in nine years and the morning show with Collins and Poppy Harlow is on its last legs before it even got on its first legs, according to Megyn Kelly.

Chris Licht, the honcho of CNN, is struggling to save the troubled network. He's fired hundreds, disrupted the on-air hosts, and played musical chairs, including Lemon, who moved from primetime to morning TV. But it looks like all of these changes haven't done much to improve the network's ratings.