But before hitting the stage, he made a stop that had him just a little weak in the knees.
"I would much rather have an encounter with a grizzly bear," Combs said in a social media post.
The country music star made it to Skydeck Chicago at Willis Tower.
He couldn't step out onto "the ledge" that's 103 stories above the city.
The country star may not have braved the glass, but combs lit up the skyline... literally.
Combs chose the color teal to light the Willis Tower antennas for his Lollapalooza performance on Thursday night. He takes the Bud Light stage at 8:30 p.m.
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