While big sis Britney was splashing around in her bikini in Costa Rica this weekend, Jamie Lynn Spears and her fiancé Casey Aldridge were running errands in McComb, Mississippi. The couple did some shopping at Lowe's and Sears before going through a car wash and stopping at McDonald's. We all know those Spears girls love their fast food, and maybe the next time JL has a craving her big sister Britney will be back in town to help out with her niece's arrival.


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