India, June 30 -- Chris Martin and Dakota Johnson's fairytale romance has officially fizzled out, and reports suggest it was not exactly an amicable split. Insiders revealed to RadarOnline, the Fifty Shades of Grey star called off the engagement after growing weary of the Coldplay frontman's clingy and controlling behavior. Now, while Martin reportedly nurses a bruised heart, Johnson is making it clear to friends that there's no looking back.

A source told the media outlet, "Dakota loved Chris. She still does, but he became way too controlling and dependent on her in the end." They continued, "It became suffocating and unbearable to live with. If she went away or wasn't answering his calls for any length of time, he'd fly off the handle ...