In case you wanted to feel old this Tuesday, Dec. 14, Mason Disick is turning 12 years old and is basically all grown up at this point! His little brother Reign Disick also rings in his 8th birthday ...

The sons of Kourtney Kardashian — Mason Dash, 12, and Reign Aston, 7 — both celebrate their birthday on Dec. 14 Digital News Writer, PEOPLE Happy Birthday to the Disick brothers! Kourtney Kardashian's ...

It's time to keep up with Mason Disick and Reign Disick. Kourtney Kardashian and Scott Disick's sons turned 14 and 9 respectively on Dec. 14, prompting the family to wonder where the time has gone.