Calista's Got Indy Whipped

5/26/2008 1:47 PM PDT
Grandpa Jones cheered from the sidelines as his spring chicken GF Calista and her son Liam ran in a fun run in Brentwood on Sunday.

Our spies tell us Harrison waited for the little tyke to cross the finish line, then he and Calista watched as her son bounced around in a bounce house. Then she changed both their diapers.