Diaz began her rap career at the age of 9 in after hours nightclubs in Harlem, battling against other rappers twice her age. She won the Citywide Hip Hop competition in 2005 and became the youngest female entrant. That same year, Diaz recorded an album with Reggaeton Niños as the main vocalist and appeared in the music video for "Oye mi Canto". She signed a recording contract with independent label Hunc Records in 2007 and released her first album titled
Welcome to My Show the same year with the song "Biggie Bounce" released as a single. Diaz directed her music videos for "Don't Stop the Dance" and "Sukoshidake Katamomoi". P-Star released two versions of herself singing in English and Japanese. She appeared in the
Off-Broadway production of
Take the Train to Maine, 2005's short film
Sita and as Jessica Ruiz in the 2009 revival of
The Electric Company. Diaz has modeled clothing for Royal Addiction,
Baby Phat,
J. Lo, and
Rocawear. In 2008, Diaz released her exercise DVD "P-Star Workout DVD: Exercise Your Body and Mind, Vol. 1" to help fight childhood obesity. The documentary made about her,
P-Star Rising, was featured at the Tribeca Film Festival in 2009. In 2017, P-Star released her comeback single "Don't Sleep On Me" through
SoundCloud. Diaz released the single "Broke" under the new stage name 'MISSPSTAR' in 2018 and directed the music video to accompany the single. This was followed by her third single "Left, Right". ==Personal life==