Lynne Spears is back in L.A. -- as she continues to rack up frequent flier miles by splitting time between troubled Britney in California and knocked-up Jamie Lynn in Louisiana.
Brit's mom was mum when TMZ caught up with her at (where else?) Starbucks in Studio City.
Lynne Spears -- Back for Britney ... and Starbucks
2/29/2008 9:41 PM PST BY TMZ STAFF
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