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Beyoncé's maternal security

Protecting one's cub is a natural instinct, so how far did Beyoncé and Jay Z go to keep prying eyes away? A few expectant moms and new dads who visited the pediatric ward at Lenox Hill Hospital, where Blue Ivy was born Jan. 5, complained that security pressured them to vacate the premises. The hospital denied allegations, saying legitimate visitors were given access, and other witnesses say that the tough treatment only came when people tried to sneak a peek. Even one mother-to-be who fussed also admitted that she had tried to get a look-see of the celebrity firstborn. "I just caught a glimpse," she said to E! News. "She's beautiful."

Memorable Celebrity Birth Moments

Celebrities are often game to experiment. However, when it comes to giving birth these moms-to-be often want their experience to be as natural and harmonious as possible — sometimes to the point of seeming unnatural. But besides learning to breathe right and anguishing over whether to go the epidural-or-no-epidural route, they also have to plot how to avoid the almighty intrusive paparazzi lens. Here are just a few memorable — and sometimes controversial — birth moments of celebrity moms. -- By Vera H-C Chan