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Kim Kardashian, Rose

Jackson Lee/Splash News

Kim Kardashian's baby shower preparations are well under way.

In fact, invitations have gone out to a select group of friends and family members for a June 2 baby-themed bash to celebrate the impending arrival of Kim and Kanye West's first child, E! News exclusively confirms.

And as you might have guessed, these weren't just any old store-bought invitations...

They arrived at their intended destinations in music boxes that, when opened, played Kanye's tune, "Hey Mama," the tribute track he wrote for his own mother, as a wind-up ballerina twirled.

A source previously told E! News that Kim's sisters were planning a "humongous" shower for her next month. And if the invitation is any indication, they are indeed going all out.

Another reason to celebrate that day: A new season of Keeping Up With the Kardashians premieres June 2 at 9 p.m., only on E!