Britney Spears has Secret Breakdown.

When Britney Spears held her sister Jamie Lynn’s newborn daughter on 19 June, no one could have predicted how much it would shatter her state of mind. But Now can reveal the secret details of Britney Spears' terrifying breakdown after seeing her new niece, which has been kept under wraps until now.

Having spent only half an hour with her 17-year-old sister and Maddie in McComb, Mississippi, the troubled 26-year-old cut her trip short and flew back to LA, where she was pictured in floods of tears.

Pregnant Jamie Lynn Spears Turns 17 on a Budget

Pregnant Jamie Lynn Spears turned her 17th birthday bash into a bargain affair, dining with fiancé Casey Aldridge at chain diner Ruby Tuesday and then shopping at superstore Wal-Mart.

The couple were spotted in Liberty, Mississippi, close to where Aldridge and his family live, on Saturday.During a trip to discount superstore Wal-Mart, Spears was spotted looking at sleeping bags, suggesting the couple is planning a camping tripSpears' big sister Britney celebrated her sibling's birthday with a family dinner in Brentwood, Los Angeles.

The pop star joined parents Lynne and Jamie and brother Bryan for a meal at Italian restaurant Ristorante Peppone.