Holly Madison Flaunts Baby Bump at Event in Las Vegas

Ready, set, glow!

Showing off her baby bump at Saturday’s "Forever Home Family Picnic" event in Las Vegas, mom-to-be Holly Madison looked radiant in a low-cut yellow babydoll dress with magenta ribbon accents.

Now 18 weeks along, the former Playboy Playmate and Girls Next Door star smiled and posed for photographs, at times cradling her growing belly. As Us Weekly reported exclusively in August, Madison, 32, is expecting her first child with boyfriend Pasquale Rotella, 38. And so far, pregnancy seems to agree with her.

"I've been lucky! No morning sickness, but I do get a little nauseous," the model told Us.

Madison cops to drinking ginger ale to help with the nausea, but she's steering clear of other sugary indulge...