Nicole Richie: Pregnant and Loving it!

Nicole Richie (in Vanitas) smiles for photographers before heading into a New York City office building Thursday morning.

Earlier in the day, fiance Joel Madden was caught off-guard when Regis Philbin let a little secret slip about a “surprise” for girlfriend Nicole Richie.

After Good Charlotte’s performance on Live! With Regis and Kelly, Regis asked, “You’re going to present her, maybe, with – did I hear the right thing, or should I not even talk about this?”

Joel played dumb saying, “Uh, what?”

Regis clarified, “A little ring or something.”

Joel replied, “I was hoping it would be a surprise, but now…”