Alyssa Campanella, Miss California, is crowned as the 2011 Miss USA by Miss USA 2010 Rima Fakih.
Madeline Mitchell, left, Miss Alabama, walks away as Alyssa Campanella, Miss California, right, and Miss Tennessee, Ashley Elizabeth Durham learn one of them woujd win the crown.
Asked about her opinion about legalizing marijuana, Campanella told judges that while there may be some legitimate medical uses, she remains "a little bit against it."
First runneer up Miss Tennessee, Ashley Elizabeth Durham looks on as Campanella, her close friend, learns she won the competition.
Miss USA hosts Andy Cohen, left, and Giuliana Rancic introduce the contestants at the start of the nationally televised pageant.
Alyssa Campanella, Miss California, second from left, reacts after learning that she was a finalist in the 2011 Miss USA pageant in Las Vegas.
Tinie Tempah performs during the evening gown competition.
Miss Alabama Madeline Mitchell, Miss Hawaii Angela Byrd, Miss California Alyssa Campanella and Miss Maryland Allyn Rose react after making the semi-final cut.
Alyssa Campanella, Miss California, is introduced as one of the quarterfinals. She wore a teal, sequine dress during the evening competition.
Ana Christina Rodriguez, Miss Texas, adeptly fielded a question inspired by the sexting scandal that brought down a Member of Congress.
Miss New Mexico Brittany Toll made it to the quarter finals because of an online vote, and then was ranked first among online fans in the swimsuit compettion. She failed, however, to make it to the semi-finals.
Alyssa Campanella shows off swimwear by designer Kandy Wrappers during the swimsuit competition.
Miss Hawaii USA 2011 Angela Byrd, shown during the swimsuit competition, made it to the semi-final round.
Contestants perform during the 2011 Miss USA Presentation Show, which was held the night before the televised finale.