In 2021, Valentine began appearing weekly alongside Nick Cannon on his syndicated daytime talk show, Nick Cannon, during "The Rap Up" and other segments. In November 2018, Valentine was selected to co-host a relaunched version of the MTV dating game show Singled Out alongside rapper and fellow Wild 'N Out cast member Conceited that aired exclusively on the network's YouTube channel. In 2019, Valentine hosted the two-part reunion of The Challenge: War of the Worlds 2. Valentine made it to the finale, finishing as a runner-up alongside fellow "Stars" UFC fighter Michelle Waterson and The Bachelorette Season 10 winner Josh Murray. Stars, which premiered on November 21, 2017.
Valentine competed on season 1 of the reality series special for MTV's The Challenge titled Champs vs. As of season 17, she is the longest running female cast member to appear on the show. In 2016, Valentine was added to the cast of season 8 of Wild 'N Out on MTV (later VH1) and has been a member of the cast for every successive season since.
Infrared is described as "an infusion of classic hip hop and R&B, with a pop sensibility." Favorite Vibe was shortly followed by the album Infrared in 2020, which debuted in the top 5 on the iTunes charts. She released the album Favorite Vibe in 2019, which debuted in the top 30 hip hop charts and gained over a million streams in its first two weeks. In 2017, Valentine released a third mixtape, Feminem, described as a homage to the rapper Eminem. In 2016, she released her studio album, Scarlet Letter. On July 8, 2014, the singer released her second mixtape, Red Velvet. Valentine released the EP Valentine in 2013, debuting at number 38 on the iTunes R&B charts. The singles "Bubble Gum" and "Hip-hop Joan Jett" became popular hits on YouTube. Valentine released her first mixtape Route 80 in 2012. In 2006 she started recording her own music. Valentine always had a love for hip hop and R&B. She grew up in a family of musicians and did theatre and dance as a child.
Valentine was born in Passaic County, New Jersey.