Melissa Ellen Collazo was born in Orlando, Florida to Puerto Rican parents. She is fluent in both English and Spanish. At the age of 8, she began hosting an entertainment segment as a "kid reporter" for the Spanish language Telemundo Network. Her segment was broadcast throughout Central Florida for several years. She made her film debut in Brian Herzlinger's indie film 'Lena and Snowball' playing the lead role of Lena. She recurred in the DCEU TV Series 'Swamp Thing' playing the teenage version of Crystal Reed's character 'Abby Arcane'. In 2020, she co-starred in the well-reviewed slasher comedy film Freaky (2020), directed by Christopher Landon (Happy Death Day) for Blumhouse & Universal, where she plays mean girl "Ryler." She has also been cast as Maeve Rojas, Brownyn's younger sister, in the Peacock TV adaptation of Karen M. McManus best selling novel "One Of Us Is Lying."