updated 12/17/2011 AT 9:00 AM ET
•originally published 12/17/2011 AT 10:00 AM ET
After arriving in Las Vegas, the couple headed to Planet Hollywood where they checked into their 3,100-square-foot suite designed by former Top Design host Jonathon Adler. Dubbed a “mega suite,” the two-bedroom domicile overlooks the Paris Hotel’s Eiffel Tower and the famed Bellagio fountains.
Not to mention, features a stunning red Murano glass chandelier in the entry way as well as a full dining room, living room and jacuzzi tub.
Spears, donning a short, nude Herve Leger dress, stepped out a few hours later and revealed her highly-anticipated Neil Lane sparkler during a congratulatory welcome on the hotel’s mezzanine. Planet Hollywood Chairman Robert Earl presented Trawick with an oversized birthday cake in a quick ceremony.