The gossip is heating up in Alaska.

Bristol Palin felt so slighted by Sarah Palin’s 2007 pregnancy, she wanted to one-up her famous mom with a bun in the oven of her own, her baby's father Levi Johnston says in his new book.

Levi claims an attention-seeking Bristol told him in March 2008, "Let's get pregnant," as she felt it was she, and not her mother (pregnant with son Trig, who was born in April 2008), that should be the next Palin on the baby registry.