Kelly Rutherford’s Dog Bosses Her Kids Around

Kelly Rutherford with Helena and Oliver

Albert Michael/Startraks

updated 07/20/2011 AT 12:40 PM ET

originally published 07/20/2011 AT 3:15 PM ET

It seems Kelly Rutherford’s kids don’t need a bodyguard – or a nanny. Their dog, Oliver, thinks he’s both.

“He’s very bossy,” the Gossip Girl star told PEOPLE at a Kiehl’s store opening in New York on Tuesday. “He really shows boundaries with the kids.”