The battle of the bikinis: Miss USA 2011 contestants assemble in Las Vegas

Despite the apparent glamour, the beauties that have flown to Nevada from all around the United States to compete for the title of Miss USA 2011, face a gruelling few days.
Based at the Planet Hollywood hotel, the girls aretied into a heavy schedule of 16-18 hours of interviews with judges each day.
Then there are back-to-back photo shoots at various Sin City hotels, not to mention the filming of segments to form part of the NBC live broadcast on June 19th.