Liv Tyler celebrates her 30th Birthday today! Here she is with her adorable family, husband Royston Langdon and baby Milo, in NYC.

What do you think of her dress?

Liv Tyler secretly enjoys smoking despite recognizing the serious health implications associated with the habit. The 29-year-old, who gave birth to son Milo in 2004, says she restarted the bad habit after a film role required she smoke.

Tyler says, “I’m afraid I smoke sometimes, I did give up for a long time when I had Milo, but on my last film my character smoked and that was bad for me. I don’t like it, but I secretly love it. I know it’s terrible.”

Liv thought her father was musician Todd Rundgren until she met Tyler at the age of eight. She recalls, “I can remember meeting him when I was eight and thinking, “Wow, his hands look like my hands and we pick our cuticles in the same way and we walk in the same way.”

Tyler reveals she only began to understand her parents relationship after becoming a mother for the first time, to son Milo with husband Royston Langdon in 2004. She says, “I have made a lot of judgments throughout my life towards my parents and how they did things and why, and now that I am an adult and a parent I understand a little more. I know that we all make strange decisions at times in our lives and do things that people don’t understand. But if they are true for you that’s OK, and I don’t want to be a judgemental person.”