Gossip Girl couple Blake Lively and Penn Badgley got into a squabble outside the final performance of the musical Rent in New York, NW reports.

Blake Lively and Penn Badgley Fighting Over Her Fame?

Feeling threatened by his lively's rising popularity, jealous Penn caused a big scene outside Broadway's Nederlander Theatre. "It was the same old argument — Penn's sick of living in Blake's shadow," says a source. "He often feels like her 'manbag' when they go out. Things came to a head between them."

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