"Happy Girl" is a song written by Beth Nielsen Chapman and Annie Roboff, and recorded by American country music singer Martina McBride. It was released in April 1998 as the third single from her album, Evolution. The song reached a peak of number 2 on the U.S. country charts and number 4 on the Canadian country charts.

"Happy Girl" is a song in which the female narrator asserts her happiness with life. The song includes penny whistle and accordion.

McBride performed the song at the 32nd annual Country Music Association (CMA) awards. She later sang the song at the Macy's Thanksgiving Day Parade on November 26, 1998.

"Happy Girl" debuted at number 70 on the Billboard Hot Country Singles & Tracks (now Hot Country Songs) charts dated for April 25, 1998. It spent twenty-two weeks on the chart, peaking at number 2 on the chart dated for August 8, 1998 and holding that position for two weeks.

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