Lisa Kudrow is a doting mum to 22-year-old son Julian, who she shares with husband Michael Stern.The Friends actress prefers to keep her family life out of the spotlight and rarely gives interviews, but has previously opened up about her only child – making a surprising revelation about him! MORE: Lisa Kudrow announces exciting news as Jennifer Aniston shows supportThe Phoebe Buffay actress told Page Six: "[Julian] made it clear from the moment he could speak that he didn't want a brother or