Lynne Spears is denying a widespread Internet report that her 17-year-old daughter Jamie Lynn — who gave birth in June — has sent gifts to pregnant 17-year-old Bristol Palin . Reports surfaced this week that Jamie-Lynn mailed the daughter of vice presidential candidate Sarah Palin $60 pink burp cloths from L.A. baby boutique Petit Tresor. A store rep even told ABC News that Spears included a card with the package: “Dear Bristol, Hang in there! XXOO, Jamie Lynn Spears.” But a Spears rep tells E! News : "I just got off the phone with Lynne. I can tell you that she hasn't sent her any gifts, but that she does support Sarah and, of course, can empathize with their situation." Like Palin - who plans to marry the 18-year-old father of her child, Levi Johnston - Spears is engaged to Casey Aldridge , the 18-year-old dad of daughter Maddie Briann. See more shocking teen pregnancies. Lynne Spears plans to release her buzzed-about memoir , Through the Storm: A Real Story of Fame and Family in a Tabloid World , on September 16. ...