Nevada's Nia Sanchez has been crowned Miss Usa.

The 24-year-old brunette triumphed at the annual American beauty pageant on Sunday (08Jun14).

Miss Nevada saw off competition from Audra Mari, 20, from North Dakota, who was crowned runner-up during the ceremony in Baton Rouge, Louisiana.

Rumer Willis, daughter of Hollywood stars Bruce Willis and Demi Moore, was among the judges at the contest.

Sanchez will go on to compete in the Miss Universe pageant later this year (14).