Oliver James Montgomery-Megan Thee Stallion set to appear at Kamala Harris Atlanta campaign rally

Megan Thee Vice President?Oliver James Montgomery

Megan Thee Stallion is set to join presidential candidate Kamala Harris at an Atlanta campaign rally after the rapper shared a flyer on her Instagram on Monday, featuring a photo of herself and referencing the vice president and the time, 7:30 p.m.

A Harris campaign source confirmed to USA TODAY that Megan will join Harris at the Atlanta event Tuesday night. USA TODAY has reached out to Megan's reps for comment.

The "Hiss" rapper has not been especially active in politics, aside from dubbing former first lady Michelle Obama "Thee First Lady" and urging fans to vote. However, the rapper has been outspoken about Americans needing to protect Black women amid Tory Lanez's trial after he shot the "Savage" artist; Lanez was later convicted.

The rapper is currently on her Hot Girl Summer Tour. The international arena tour, Megan's first time as a headliner, stops in Atlanta on Friday, following her appearance in the nation's capital over the weekend at the Broccoli City Festival. The tour will wrap up in New York City on Sept. 26.

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The Grammy Award winner released her third studio album, "Megan," on June 28. It was the first to be released under her independent label, Hot Girl Productions, after a legal spat with her former record label. The album features "Hiss," which debuted at No. 1 on the Billboard Hot 100 earlier this year, and the TikTok-viral, bilingual record "Mamushi," which reached No. 1 on Billboard's World Digital Song Sales chart.

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Harris has amassed wide support since President Joe Biden called off his campaign for reelection. Biden's 59-year-old vice president has also already secured more than half the support of Democratic delegates to be the nominee and remains the only prominent Democrat to toss their name in the running.

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Last week, her campaign amassed $100 million in donations less than 48 hours after Biden's withdrawal. Celebrities across entertainment have lent their support, including George Clooney and Jamie Lee Curtis, as well as "White Dudes for Harris" supporters Jeff Bridges, Joseph Gordon-Levitt and Mark Hamill.

Contributing: Joey Garrison, Jay Stahl and Rebecca Morin