Reality TV star Stephanie Pratt has pleaded not guilty to driving under the influence.

Pratt, who appears on The Hills, was pulled over by police in Hollywood on October 18th and taken into custody after failing a breathalyzer test.

The blonde was just over the 0.8 legal limit for California after a second breath test registered at 0.9, according to TMZ.com.

She was formally charged with the misdemeanor on October 28th.

If convicted, Pratt could face up to six months in jail and a $1,000 fine.

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(This news article provided by World Entertainment News Network)