Twilight stars Robert Pattinson and Kristen Stewart get affectionate on film set

Twilight stars Robert Pattinson and Kristen Stewart have been snapped making a rare display of public affection. 

The pair – who are notoriously private about their relationship – were caught nuzzling up to one another on the set of the actress’ new movie On The Road in Montreal, Canada, last week. 

At one point, it appeared as if Robert, 24, was leaning in for a kiss from Kristen, 20. 

They have been dating since 2008. 

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