Justin Bieber keeps a low profile under his Chicago Bulls cap as he stops by a local Subway restaurant on Sunday (July 1) in Calabasas, Calif.

“Hope everyone has a great weekend and stays positive and looks for the good in people and each other,” tweeted the 18-year-old singer. “Respect is earned not given. ALL LOVE.”

PHOTOS: Check out the latest pics of Justin Bieber

Over the weekend, Justin and girlfriend Selena Gomez took a romantic stroll together and caught up with each other over some frozen treats!

10+ pictures inside of Justin Bieber leaving Subway…