Stodden, 19, is a model and reality TV personality and Hutchison, 53, is an actor best known for his recurring role on "Lost."
The couple received widespread criticism for their age difference and Stodden's hobby of constantly posting sexy photos of herself online.
"After Courtney experienced being in 'Celebrity Big Brother' in the U.K. she realized that there is this whole world out there to explore," a source told the magazine.
"She was so reliant on Doug up until doing the show, but after going so far away, she realized she could survive by herself," the insider said. "The dynamics had suddenly totally changed. They've been arguing so much since they came back from London."