According to OK!, last week, pop star Britney Spears pulled up to Mexican restaurant Casa Escobar for a strong margarita. But, sources revealed exclusively to OK!, the outing took a less-than-pleasant turn when she was told she couldn’t eat with her pet London, in her lap.

“It set her off into hysterics,” the source told OK! about the scene at the Marina del Rey, Calif., eatery. And a friend of Brit adds, “She cares more about London than her boys! She’ll let anyone hold Preston and Jayden, but has to really trust you for you to even touch London.”

The friend also reveals to OK! that, “If one of the boys is crying and London is barking, she’ll pick up London while the nanny calms the babies.”

[Source]