Lohan, 23, was partying at the Crown Bar in Los Angeles Nov. 6, and, according to one onlooker, caused quite a scene when asked to ante up for her drinks.

“Lindsay stormed into the kitchen and grabbed two bottles of really expensive champagne. She finished both bottles with a friend. When the bartender gave her a bill, she had a meltdown,” says the source.

Read more: Lindsay Lohan, Entertainment News