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Maria-Cecilia Simone Kelly aka Rico Nasty, is an American rapper and record producer. Originating her career from Maryland, Kelly and was exposed to rap music at a very young age. Kelly released two mixtapes in 2016:The Rico Story and Sugar Trap. Both tapes gained her notable attention from the media and the general public.

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In June 2018, Kelly signed to Atlantic Records after releasing her fourth mixtape, Nasty.

Kelly started rapping while still in high school, and released her first mixtape, Summer's Eve, when she was in eleventh grade. After graduating high school, she started focusing on her music career and released two mixtapes in 2016: The Rico Story and Sugar Trap. Both tapes gained her notable attention from the media and the general public. Kelly also released the single "Hey Arnold," which was later remixed featuring Atlanta rapper Lil Yachty.

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In June 2017, Kelly released her single "Poppin'" which quickly garnered over 5 million views on YouTube. The single was also featured on the HBO hit show Insecure. Kelly's 5th mixtape Sugar Trap 2 featured the single as well as Kelly’s other popular single "Key Lime OG". Rolling Stone listed Sugar Trap 2 as one of 2017's best Rap Albums.

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In June 2018, Kelly signed to Atlantic Records and released her fourth mixtape, Nasty.

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In December 2018, the rapper released a track titled “Guap (LaLaLa)" and in January 2019 she released “Roof“.

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In February 2019, Rico’s single "Sandy" as well as the documentary "Countin' Up" were released.

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In April 2019, Rico and producer Kenny Beats released mix tape called "Anger Management" Source.