Bella Thorne: Birthday Celebrations with Tristan & Zendaya!

Bella Thorne enjoys a night out with friends on Monday (October 8) at Katsuya restaurant in Los Angeles.

The 15-year-old actress was joined by her family, boyfriend Trista Klier, and bestie Zendaya as she celebrated her birthday! Happy belated b-day, Bella!!!

PHOTOS: Check out the latest pics of Bella Thorne

“Goodbye 14..hello 15!” Bella tweeted. “Thank you all for the birthday wishes. U are making my day one to remember. What would I do without u?”

She later added, “Official birthday celebrations. Thank u guys for all the <3!!!!”