By Jen Heger - Breaking Celebrity News Assistant Managing Editor

Britney Spears has been under a conservatorship for more than four years now, and as part of that, those close to The X Factor judge keep a close eye on her internet and cell phone use, Breaking Celebrity News is exclusively reporting.

"Britney's cell phone and internet use is restricted and heavily monitored, and this is done for her protection," a source close to the situation tells Breaking Celebrity News. "Britney's father, Jamie, and her fiance, Jason, want to make sure that her former manager, Sam Lutfi, isn't able to contact her. Britney and Jason essentially share a cell phone, and it's routinely checked to see who has been calling. Furthermore, the cell phones have been programmed to block calls from phone numbers associated with Lutfi. Brit's computer usage is also restricted in the sense that certain websites are blocked. Her family doesn't want Britney reading negative stories that would upset her. Again, this is all done with love and for her well-being."

Meanwhile, a restraining order that the conservators had filed against Lutfi on behalf of the pop star and her children expired earlier this year. "After the restraining order expired, the conservators went to extra lengths to make sure that Sam wasn't able to contact Britney bec