We're loving the musical evolution of Jamie Lynn Spears.

Britney's younger sister is moving full steam ahead on her own singing career -- and last night, she performed her own solo show at Eddie's Attic in Decatur, Georgia.

The 22-year-old former teen mom sang a lot of her own original music, plus a cover of the Dixie Chicks' "Wide Open Spaces" and ... most importantly ... "Oops! ... I Did It Again." 

The "Oh yeah yeah yeah yeah yeahs" start at about the 2:00 mark. And yes, she did some of the dance moves!

"It's Jamie, bitch! My sister has been a big influence on my life, so you gotta throw it back to her, so big round of applause for my sister," she said to the crowd after the performance.

Was it very brief? Yes. But it was also more live than her sister has performed it in years!

While we weren't fans of the Spears sisters' duet on "Britney Jean," we actually did enjoy Jamie's solo music video. We can't wait to see where her country career goes.

What do you think? And check out more photos of JLS and her adorable daughter, Maddie, below!


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