Britney passes on childrearing tips to Heidi Klum

Yes, in the past there’s been a lot of bad press for poor Britney. She doesn’t wear underwear, she runs red lights, she doesn’t buckle up her kids, she parties into the wee hours. But the pop diva does do some good now and then, and Heidi Klum has proof. This week on Ellen, the supermodel, and mother of three, credits Brit with teaching her how to diaper a child.

While the exchange between the stars does sound heartwarming, we’ve got to wonder: Just what diapering techniques did Brit pass on to the surprisingly diaper-challenged supermodel?