Niall Horan Hits the Gym in a Tank Top

Niall Horan leaves the gym in his workout gear after sweating it out on Sunday (May 20) in Los Angeles.

The 24-year-old “Slow Hand” singer is working on his fitness as he prepares to head out on tour again. He recently wrapped the European leg of his tour and soon will depart for Australia and New Zealand, followed by Asia, South America, and finally North America.

PHOTOS: Check out the latest pics of Niall Horan

Niall recently opened up about why he doesn’t want to write about heartbreak anymore.