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The Big Love actress was spotted sitting next to Pauly D, real name Paul Del Vecchio, at a New York Knicks basketball game this month.
As a result, some media outlets claimed that the Jersey Shore star is romantically involved with Sevigny.
However, the 36-year-old's representative has denied the suggestions, telling Gossip Cop that the rumours are "not true".
> Chloe Sevigny 'describes ideal boyfriend'
