New York, June 26 (ANI): Kim Kardashian is being extra-careful - and strategic - when it comes to her budding friendship with Beyonce Knowles, according to sources.
The duo's beaus are currently touring England together for 'Watch the Throne' concert.
Sources said that Kardashian is abiding by the "unwritten rule" that "she is not allowed to blast to the world her business with Bey and Jay," who are obsessive about their privacy.
"She's hung with them a few times already, but she isn't saying peep about them," the New York Daily News quoted the source as saying.
"She's not tweeting or taking pictures with (Beyonce) because she doesn't want to seem desperate," the source said.
According to reports, in mid-March, shortly before Kardashian joined West in London for his 'Watch the Throne' tour with Jay-Z, the soon-to-be divorcee was eager to get close to the 'Irreplaceable' singer.
"Kim wants to travel everywhere with Kanye, but she's also trying to do whatever she can to get close to Beyonce," another source said.
The strategy appears to be working as there are a number of media reports of 31-year-old Kardashian and 30-year-old Beyonce hanging out together, and on Friday, the two women were photographed shaking their ample assets together at the 'Watch the Throne' show in Birmingham, England.
The ladies looked like old friends as they stood side by side, shielding their faces from the glare of photographers' flashes.
The concert marked the first time that both of them have been snapped together in public.
Kardashian has a reputation for over-sharing. She has not only made a name for herself from multiple reality shows on E!, but has shared nearly 12,000 tweets of personal information with her 15.1 million followers.
Knowles, in comparison, has tweeted only once to her nearly 4.6 million followers, a note encouraging them to check out her new website.
Though some of Kardashian's tweets have referenced her three-month-old relationship with West, her Twitter followers have yet to get a behind-the-scenes peek at her friendship with Beyonce.
"Beyonce and Jay-Z have very controlled public images, that's put out there about them," a second source said, who notes that they like to have a hand in the information.
The source also downplays reports that Knowles was adamantly against hanging out with Kardashian.
"Beyonce is careful with who she surrounds herself with, but she never hated Kim," the source added. (ANI)