Niall Horan lets out a big smile during his performance on night two of the 2017 iHeartRadio Music Festival on Saturday night (September 23) in Las Vegas.

The 24-year-old musician wasn’t the only One Direction member performing – Louis Tomlinson also took the stage to perform his song “Back to You” with Bebe Rexha.

Thomas Rhett, Macklemore, who performed his new song “Good Old Days” with Kesha, DJ Khaled, and Big Sean were among other performers that night during the annual music festival. Singer/songwriter Julia Michaels also made an appearance.

Be sure to check out a two-night television special of the festival on Wednesday, October 4 and Thursday, October 5 from 8PM EST/PST on The CW.

FYI: Louis is wearing Levi’s 501 skinny jeans. He is also wearing New Balance sneakers.

40+ pictures inside from the iHeartRadio Music Festival

Photos: Getty Images, WENN

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