Morrison and Spencer Photo by: Kevin Parry / WireImage
House Costars Engaged | Jennifer Morrison, Jesse Spencer
Actress Jennifer Morrison and actor Jesse Spencer, who costar on FOX's hit medical drama House, became engaged over the holidays in Paris, PEOPLE has learned.

Morrison, 27, who plays Dr. Allison Cameron, and Spencer, also 27, who portays Dr. Robert Chase, met while filming the pilot for the series, which debuted in 2004.

A rep for the couple says no wedding date has been set.
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