Megan Thee Stallion took "hot girl summer" to new heights with her 2021 Lollapalooza set on July 31. While playing at the Chicago-based festival, Megan shared a clip of her performance on Instagram. "Over 180,000 HOTTIES!!! They said we had thee biggest crowd of @lollapalooza so far !!! Thank you Chicago," the 24-year-old captioned the post. Artists like Juicy J, Marshmello, B. Simone, and more congratulated the rapper on her success with comments on her Instagram. "If you love yourself, make some motherf*ckin' noise," she yelled while onstage. "That's what the f*ck hotties do: we spread positivity!" As part of her hour-long set, which was attended by Megan Fox and Machine Gun Kelly, she performed hits like "Body," "WAP," "Hot Girl Summer," "Savage," and "Thot Sh*t." Ahead, you can become one of her "hotties" while reliving some of the sexiest moments from her performance.