Video - Jon Hamm And Jennifer Westfeldt Arrive For 'David Letterman' As Snoop Lion Is Spotted Leaving

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'Mad Men' star Jon Hamm arrives at the New York studios for 'The Late Show With David Letterman' alongside his partner, 'Kissing Jessica Stein' actress Jennifer Westfeldt. As they smile at photographers before entering the building, Snoop Lion can be seen jogging over to hastily get into an awaiting car.

Hamm has recently signed on to star in the 'Despicable Me' spin-off 'Minions' voicing Herb Overkill, the husband of super-villain Scarlet Overkill who will be voiced by Sandra Bullock. The movie is currently set to be release in December 2014.