Usher's Super Bowl Halftime Show with Alicia Keys, Lil Jon, Ludacris Electrifies Fans

Usher wasn't the only one dancing on the Allegiant Stadium field during the Super Bowl LVIII halftime show.

Fans were surprised by a series of cameos that included Alicia Keys, Lil Jon and Ludacris during the performance amid the battle between the San Francisco 49ers and Kansas City Chiefs in Las Vegas.

The cameos started with an appearance from Keys.

From there more guests were featured, including Lil Jon, Ludacris, Jermaine Dupri, H.E.R., and will.i.am.

The long setlist by the eight-time Grammy winner included hits like "Caught Up," "Confessions Part II," "Burn," "Turn Down for What" and "Yeah."

The long list of songs and the extensive roster of featured guest artists left viewers dancing along to their favorite 2000s hits.

After Usher left the field, it was time for more football. The 49ers led 10-3 at the half.