Was Stephen Colbert flirting with Martha Stewart on 'The Colbert Report' (weeknights, 11:30PM ET on COM)? Whatever the case, she dissolved into a torrent of giggles by the time she left the stage.

The domestic goddess and the host made some snacks and talked shop. This is her show's first year on basic cable and the Hallmark Channel, she explained. "Does Hallmark make a card for changing networks?" joked Colbert. "Yes," she replied succinctly.

Then part of their concoction spilled onto her blouse. "Let me get that!" said Colbert, who proceeded to pick it up with his mouth. "Oh, my God! she exclaimed.