London: Socialite Paris Hilton and her boyfriend Cy Waits have reportedly parted ways.

"They are broken up. It's sad. She cares about him a lot and thinks he's a great guy but they really hit a rough patch," website quoted a source as saying.

The socialite began dating Waits, an events promoter, last summer and they were spotted shopping for rings together in February this year, prompting rumours of an imminent engagement.