See Jennifer Connelly and Paul Bettany's sons all grown up, plus more celebs' kids young vs. now

Join Wonderwall.com as we take a look back at how celebrities' kids have grown into teens and adults over the years... "WandaVision" star Paul Bettany carried son Stellan Bettany (then 4) while wife Jennifer Connelly put an arm around son Kai Dugan (then 10; his father is photographer David Dugan) at the Cirque du Soleil "Wintuk" show premiere at Madison Square Garden in New York City in November 2007. The couple are also parents to daughter Agnes, who was born in 2011.

Then keep reading to see the boys as adults... plus dozens more celebrity children then and now...