Dakota, 19, is a former child star happier out of the spotlight, while Elle, 15, is ambitious and enjoys the Hollywood celebrity scene, the report said.
"Elle is the more ambitious one. Dakota is the one who could quit acting to start a band at the drop of a hat. Dakota is completely unimpressed with the red carpet culture in Hollywood, while Elle totally worships it," an unnamed source told the news website.
Celebrity Breakups and divorces of 2014 [PHOTOS]