Britney Spears snagged herself over 100,000 views in just 20 minutes today, taking to Instagram with a power boxing session showing she's fighting fit. The "Toxic" singer, who continues to be plagued by legal troubles amid her 2008-commenced conservatorship, proved she'll forever be a workout queen, with the 38-year-old making sure her fans saw those abs. Britney, followed by 26.8 million, also took the opportunity to let fans know she's tested negative for COVID. Check out the video and reactions below.