Lindsay Lohan’s financial woes continue: Both of her credit cards were rejected on a $300 purchase while shopping in Soho this past weekend.

LiLo was not amused when her cards were declined at Rag & Bone on Mercer Street Sunday.

A source close to the troubled starlet — who is reportedly so broke that the production company behind her reality show on Oprah Winfrey’s OWN had to come through with checks for her rent and security deposit — told us, “Lindsay was trying to buy something for around $300 but her credit cards were declined. She looked really embarrassed and tried to negotiate before her friend finally stepped in and paid.”

A Lohan rep predictably parroted, “Completely false.”

VIA Page Six