Selena Gomez, Niall Horan fuel romance rumours at Santa Monica Pier

After Selena Gomez and Niall Horan stepped out together at the Santa Monica Pier, fans are speculating if the duo are a thing or not.

According to several social media users, the singers were seen enjoying a few amusement park rides including the roller coaster on December 6. They also were hanging out by an ice cream stand and a few game booths, reports E! Online.

Both the One Direction singer and the 23-year-old 'Good For You' hit-maker were joined by friends and matched in all black for their evening along the California coast.

However, neither Gomez nor Horan has commented on their outing.