By Alexis Tereszcuk - Radar Senior Reporter
Watch out Jennifer Lopez might kick your butt!
The gorgeous 42-year-old singer spent some time on the beach practicing Capoeira - Brazilian martial arts - and RadarOnline.com has the photos of her killer form.
At Playa de los Ingleses in Montevideo, JLo kicked off her high heels, rolled up her jeans and showed off her spinning high kicks with the Capoeira master.
A huge crowd gathered as Jennifer showed that she's got moves that we never knew she had.
Jennifer is enjoying her new romance with 24-year-old dancer Casper Smart, who traveled with her to Hawaii for a luxurious Thanksgiving vacation.
J.Lo is in South America filming her new reality show, Q'Viva: The Chosen.