Bruno Mars appears at T-Mobile Arena on Sunday, Dec. 30, 2018. (John Katsilometes/Las Vegas Rev …

Bruno Mars appears at T-Mobile Arena on Sunday, Dec. 30, 2018. (John Katsilometes/Las Vegas Rev ...

Bruno Mars appears at T-Mobile Arena on Sunday, Dec. 30, 2018. (John Katsilometes/Las Vegas Review-Journal)