Look at that ring! Holly Madison and beau Pasquale Rotella are ready to walk down the aisle afterwelcoming three-month-old daughter, Rainbow Aurora. "I got engaged on Sunday," the new mom posted on June 24. "My fiance was so wonderful in creating such a romantic night! He proposed to me at the top of the Ferris wheel at EDC Las Vegas." This is the first engagement for the former Playboy model, who has been dating the event planner since Fall 2011.