Whoa, Selena Gomez! The 19-year-old singer/actress was having some fun in the sun today and showed off her hot bikini bod in a photo she posted on Twitter.

OK! GALLERY: SEE JUSTIN BIEBER & SELENA GOMEZ'S SHOCKING MAUI MAKEOUT SESSIONS

Selena is on location in Florida filming her new movie, Spring Breakers. She Tweeted, "Hey Guys — Loving Florida and having fun filming the new movie."

The film also stars James Franco, Vanessa Hudgens, Ashley Benson and Heather Morris — so it's no wonder Selena's having fun!

The actress apparently got some down time today and decided to do some tanning.

"Need sun again," she Tweeted with a photo herself. In the Instagram, Selena is laying on her stomach in her bikini sipping on a cold beverage.

OK! GALLERY: CALLING ALL BELIEBERS! CHECK OUT OK!'S ULTIMATE JUSTIN BIEBER GALLERY!

We bet Selena's boyfriend Justin Bieber wishes he were there!

The couple definitely enjoys spending time together in the sun. How can we forget their shocking Maui makeout session?

Sound off in the comments below!

Join the conversation