Fans question why Adam Levine can be shirtless at Super Bowl halftime after Janet Jackson incident

Adam Levine of Maroon 5 performs during halftime of the NFL Super Bowl 53 football game between the Los Angeles Rams and the New England Patriots Sunday, Feb. 3, 2019, in Atlanta. (AP Photo/Mark Humphrey)

Viewers of Super Bowl LIII are wondering why Maroon 5's lead singer, Adam Levine, was allowed to perform shirtless during his halftime show while Janet Jackson was criticized for her wardrobe malfunction in 2004.

Levine removed his shirt halfway through his performance baring his tattooed chest. But people questioned why Levine’s revealing performance was allowed.

"Why is it okay to see Adam Levine'[s] boobs and not Janet Jackson's," tweeted actress and host Aisha Tyler.

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"Super Bowl halftime nipple rules feel inconsistent," tweeted ESPN host Katie Nolan.

CBS, which aired that Super Bowl, was fined $550,000 by the Federal Communications Commission for the 2004 incident, but the fine later was overturned.