If you're just now realizing that today is National Grandparents Day, stop what you're doing and get on the horn to Gammy and Pop-Pop. Those two have been up since 4 a.m. waiting for your call.
Okay, now that you've sorted that out, take a moment to wrap your head around this mind-boggling fact: Betty White doesn't have any grandkids. But, Ice-T does. What?
The "Cop Killer" rapper isn't the only still-kicking-it celebrity whose babies have had babies. From supermodels to rock stars to action heroes, these stars should all be getting a Hallmark card and a bag of Werther's Original on this, their very special day.