Hazel first started performing from the age of three. During her early years, she enrolled in both stage schools and Indian dance academies where she learnt various forms of dance, both Indian classical and western contemporary, along with acting and singing. Working professionally from the age of 13, she performed in school musicals as well as amateur plays and continued with the arts through High School. Hazel became involved in television, film and stage very quickly. She was part of the Harry Potter film series, playing an uncredited extra role as the friend of protagonist Harry Potter in the first, second andthird installments, while she also danced in the popular British programme "Miss Marple" following which she was seen in a BBC documentary show "Call The Shots" where they watched her working in Hindi films.She joined the team of the Bollywood musicalBombay Dreams for their London promotional tour in 2002 and sang in the choir of the west-end musical Joseph and the Amazing Technicolor Dreamcoat the following year.
At 18, while holidaying in Mumbai, she received work offers and decided to stay back and pursue a modelling and acting career in India. Hazel then appeared in various popular music videos as "Kahin Pe Nigahen" as well as many popular TV commercials, such asVivel by ITC, & Sprite 'University of Freshology' commercial.Hazel's first break in films came in 2007 in the Tamil film Billa, a remake of the classic film Don, where she performed an item number, originally played by Helen, in the song "Sei Ethavathu". In 2011, she played a supporting role in the Hindi film Bodyguard produced by Atul Agnihotri and directed by Siddique opposite Salman Khan and Kareena Kapoor. She has performed an item number titled "Aa Ante Amlapuram" in the film Maximum.