Back in the glory days of The Ben Stiller Show, there was a recurring piece called "Legends of Springsteen," on the best of which Janeane Garofalo played a waitress in a redneck bar, nine and a half months pregnant and at the end of an 18-hour shift when her water breaks. Enter Ben Stiller as Springsteen, asking gently, "Hey, little girl, is your daddy home, did he go and leave you all alone?," as he straps on a pair of rubber gloves and a surgical mask. Long story short, at the end of the bit, Janeane is showing off little Springsteena.
Unfortunately, that is not available on YouTube, and I can't get the clip from Google Video to work. This one isn't quite as good, but it's still worth seeing: