The singer (and mom of two!) flaunted her trim tummy in two new Instagram videos.
"Girls just wanna have fun ;) Never released a video for this song... so decided to do a little tease on Instagram instead… enjoy!!" she captioned the first video, where she does a sultry dance to "Breathe On Me."
Wearing just a black bra and underwear to show off some large temporary tattoos, Spears gyrates and grooves along to the music, looking just as good (or better?) than she did as a teen star.
Her Las Vegas residency is going great – Spears returned from a month-long hiatus Friday night to a sold-out crowd, where she thrilled fans with the 90 minute set of all her hits.