Looking for song music video from a teen female singer early to mid 2000s She was white straight hair oval face looked wholesome I believe she wore jeans in the video?

The song you are referring to is most likely "Baby One More Time" by Britney Spears. The music video was released in 1998 and features Britney Spears as a Catholic high school student who breaks out into dance routines when she is alone. The video was an instant hit, and helped to launch Britney's career.