CHOWHOUND Barbra Streisand can’t stop eating — and she’s blown up like a balloon!

Sources tell GLOBE the diva has packed on more than 30 pounds in the last year!

“Barbra has absolutely no willpower when it comes to food,” dishes a snoop. “At 77, she feels that she’s earned the right to enjoy a meal — but it’s more like two or three meals at a time!

See  exclusive photos of Barbara Streisand in the latest issue of GLOBE Magazine.