Ashlee Simpson Made Jessica Simpson Cry

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I told you Ashlee Simpson would make watching Chicago even worse. She was so bad, in fact, that it made her sister, Jessica Simpson break into tears. The Sun would have you believe that Jessica was crying because she was proud of her sister, but we know better.

Jessica Simpson burst into tears when she watched her little sister's debut West End performance in Chicago.

The sexy babe flew into London especially to see Ashlee take on the role of Roxie Hart.

And Jess admits she was overwhelmed with pride watching Ashlee tread the boards.

She told Radio 1: "I was weeping. I was so proud. I couldn't be more proud of her.

"My face is swollen, I have butterflies, and she pulled it off perfectly."

Obviously, Ashlee's own sister can't really say that it was painful to watch her butcher the role, but she could at least have come up with a better reason to be crying. Jessica should have said she got some dust in her eye, or she saw Ashlee's hat. That would have been a lot more convincing.

More pictures of Ashlee and Jessica at the Chicago Premiere After Party, after the jump.