Britney Warrior spears Debuts Gemstone At Magical Las vegas Party

First Released: December 17, 2011 6:30 PM EST Credit: WireImage La, Calif. -- Caption Jason Trawick and Britney Warrior spears celebrate their engagement at Planet Hollywood Resort & Casino in Vegas on December 16, 2011Britney Warrior spears and Jason Trawick jetted to Vegas on Friday to celebrate their engagement, in addition to Jasons 40th birthday. The pair checked in at Planet Hollywood, in which the I Wanna Go singer soon emerged from her suite for any congratulatory welcome around the hotels mezzanine putting on a brief, nude Herve Leger dress, together with her soon-to-be husband by her side. Brit and Jason then began their evening having a dinner and sweet goodies at Sugar Factory American Brasserie before going to Chateau Nightclub, in which the couple relaxed in their own individual Very important personel area and Britney posed for photos revealing her dazzling 3-carat Neil Lane sparkler. The pop princess appeared to completely benefit from the Las Vegas festivities, Tweeting, Tonight was probably the most magical nights of my existence early Fun. This kind of amazing time with my new fiance and our nearest buddies and family, she added. #Fortunate. As formerly reported on AccessHollywood.com, on Friday, Jason confirmed to gain access to Hollywoods Billy Rose bush he and Britney will quickly be headed lower the aisle. Yes, we're engaged, Jason told Billy on Friday. The 40-year-old added that he's within the moon, as [is] she. Jason revealed he sprang the question in an exceedingly traditional manner (lower one on knee), and added that Britneys sons, 6-year-old Sean Preston and Jayden James, 5, were available to witness the proposal. Jason initially started dealing with Britney as her TV manager (as the star was still being married to Kevin Federline), employment he threw in the towel last year after their relationship grew to become romantic. Copyright 2011 by NBC Universal, Corporation. All privileges reserved. These components might not be released, broadcast, rewritten or redistributed.