Id take it with a pinch of salt. I reckon they maybe dont get on as well as they once did, but working closely with someone for 10+ years will take an effect.
Why shouldn't Chris be friends with the mother of his mate's daughter? Plus I understand they've known one another for years!
The article also says that they did the Breakfast show for 10 years and that Tina's doing Moyles' tour. Wrong on both counts.