Better fatten up, Courtney, or you might not live through this.

That’s what doctors told Courtney Love after getting a look at the rocker-actress’ emaciated celebrity skin, not to mention her skinny doll parts.

Love caused a buzz when she showed up in midtown last month looking painfully thin.

The former Hole lead singer, 44, told the U.K.’s Daily Mirror that a doctor gave her a shot of vitamins and told her to “start eating.”

“I know I’ve got too skinny,” the formerly voluptuous blond said. “I know I need to sort it out.”

Love, the widow of Nirvana frontman Kurt Cobain who died in a 1994 suicide, is feeling the stress from a slew of financial difficulties.

In March 2008, she told police that identity thieves had posed as the late Cobain in order to buy a $3 million New Jersey mansion and loot as much as $72 million from his estate.

Reports earlier this year put the estimated losses as high as $750 million, or basically the entire fortune Cobain left to Love and their daughter, Frances Bean.

Love is also being sued by American Express over unpaid credit.

Source, Bauer-Griffin