KELLY Clarkson and Brandon Blackstock "worked so hard" it was "impossible to enjoy each other" before the singer filed for divorce.Their marriage also strained under the pressures of living in Hollywood.A source told PEOPLE that work really put a strain on the couple's relationship as they prioritized it over their family.
The source said: "Things had changed in their marriage and the split was a while coming."They both work so hard. It's nearly impossible to enjoy each other, especially with the children needing constant attention."The source further added that the couple has been like friends for a while now.
Another source further explained that the couple's split took most of their friends by surprise.
