Britney Spears shows off her rockin' new bod, but had to spoil it with a liberal message about …

At 36 years old Britney Spears still has it, and she's not afraid to show it off. But the pop singer and Las Vegas headliner had to ruin a perky photo she shared on social media on Friday with a social justice message for Congress. Wearing a tight black t-shirt tied right below her chest with the phrase “We …