House co-stars Jennifer Morrison and Jesse Spencer have called off their engagement. Morrison accepted Spencer's proposal at the Eiffel Tower in Paris at the end of March (07), but now the couple have decided to cancel their impending nuptials. In a statement given to website People.com, they say: "After much consideration, we have decided not to get married."We are still very close, and we look forward to continuing to work together on House."Morrison and Spencer started dating in 2004 and had planned to marry later this year (07) at a private ceremony in Los Angeles.The couple met in Vancover International Airport on the way to film the very first episode of medical drama House.The pair made their names in hit drama House, starring Hugh Laurie and directed by Bryan Singer, as doctors Allison Cameron and Robert Chase.