Bella Thorne rocks a hot pink bikini as she cools down by the pool with boyfriend Tristan Klier and friends in Santa Monica, Calif. on July 1, 2013. Credit:

Pretty in pink! Bella Thorne, star of Disney Channel's Shake It Up, sunbathed in a bikini with friends in Santa Monica, Calif. on Monday, July 1.

Wearing a bright pink string bikini, the 15-year-old looked relaxed sans makeup, keeping her red hair in a loose bun. Later, the Disney queen was seen sipping on an iced fruit smoothie drink and wearing multi-colored sunglasses while chatting with her girlfriends. She also took a dip in the pool with boyfriend, high school student Tristan Klier

"Laugh at least 10 x'll be a great day!" she tweeted during the day of fun in the sun.

In a 2011 interview with, the actress/singer shared how she stays fit and bikini-ready. "I love dancing, it's so much fun and a great way to stay healthy," she said. "Besides dance, I like to do leg lifts -- I'm really strong."

But the Florida-born star admitted that she does have a sweet tooth, especially when it comes to ice cream. "I do consider myself a healthy eater because I love broccoli and spinach and vegetables," she shared. "But I do like to eat sweets sometimes. We have a secret store of ice-cream on our set!"

Thorne has starred on Shake It Up alongside Zendaya since 2010.