He told People, "She's 21 years old and her career is skyrocketing right now and it's tough to sustain a relationship, especially with somebody who's so much older than her.”
Julianne is 21, while Wicks is 30. Derek continued, "They're both good. He's a great guy – he's cool."
He also says the couple will still see each other. "We're all very close. And [the split] is amicable. They're still really great friends, and that's the way to do it,” he said.
We actually believe that Julianne and Chuck will stay friends. This is one of the most amicable splits we’ve ever seen in Hollywood!