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Poor Brit!

It seems Britney was overwhelmed by the homecoming she received yesterday afternoon upon her arrival at LAX after visiting her sis and the new baby back home in Louisiana.

The Queen B is a little sensitive right now and it's no surprise after an emotional reunion with her entire family (mom Lynne, sis Jamie Lynne, bro Bryan, and day Jamie) in Kentwood -- not to mention she's just become an aunt!

And maybe Brit was missing her own boys ... or wishing she would have more of her own????