Dave Letterman Mocks Demi And Ashton's Twitter Habit

By Jessica Coen | April 21, 2010 | 6:00pm

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Last night, the obnoxiously ageless Demi Moore gave Dave Letterman a lesson in TwitPic (results here). Dave didn’t seem to give a shit.

When she actually picked up her phone to read aloud a lovey-dovey incoming text from Ashton, however, then Dave had a reaction.