Miss USA 2011 Alyssa Campanella, Miss California USA (PHOTOS)

heading on the miss universe 2011 is the new reigning miss usa 2

Miss California Alyssa Campanella was crowned Miss USA 2011 last night at Planet Hollywood Resort & Casino in Las Vegas.

The 21-year-old "history geek"grew up in New Jersey and represented that state as Miss New Jersey Teen USA in 2007.  We've put together two pageant photos showing her four year transformation in our gallery below.

The gorgeous redhead dished about her hair color during the telecast, admitting that she is naturally blonde but dyed her hair for a theater role while in high school and never went back.

Alyssa competed in and won the Miss California USA competition in November 2010.  She was heavily favored by Vegas oddsmakers to win the title of Miss USA.

The most popular feature of the Miss USA contest is the swimsuit competition.  Check out photos of all 51 contestants in their patriotic bikini swimwear.

Campanella will go on to compete for the title of Miss Universe 2011 in September.

More photos below:

Photos:  Judy Eddy-WENN