Having dominated club playlists and radio airwaves over the past few months, Iggy Azalea's 'Fancy' continues to surge in popularity and now sits atop the Billboard Hot 100 chart.

The Aussie rhymer's collaboration with Charli XCX dethroned John Legend's 'All of Me,' which held the No. 1 spot for three straight weeks after leapfrogging Pharrell Williams' ubiquitous song 'Happy' earlier this month.

Azalea becomes only the fourth solo female rapper in Billboard's Hot 100 history to have a No. 1 hit.

The 23-year-old artist joins Lauryn Hill who had her big hit with 'Doo Wop (That Thing)' in 1998. In 2001, Lil Kim had her first pop chart-topper with Christina Aguilera, Mya and Pink on 'Lady Marmalade,' and Shawnna topped the Hot 100 with Ludacris on 'Stand Up' in 2003.

Azalea can also celebrate being the first act since the Beatles to simultaneously occupy the top two spots with their first Hot 100 hits as her 'Problem' song with Ariana Grande jumps to No. 2 on the tally.

Iggy took to social media to share her excitement. She tweeted:

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