Negar holds a Bachelor Degree in Stage Design from the School of Art and Architecture at Azad University in Tehran, Iran. She started her acting career in theatre at the age of sixteen. In 2001, at the age of seventeen, she acted in her first film Ben Terane, 15 Yaşındayım (2002). Since then, Negar has played in a number of films and theatrical performances.

Her recent films include Resim Havuzu (2013), for which she was nominated for the Best Actress Award by the Asia Pacific Screen Academy (Australia), Inja bedoone man (2011), for which she won the Best Actress in the Supporting Role at the 15th Cinema Home Ceremony (Iran), Altın ve Bakır (2010), for which she received the Best Actress in the Leading Role Award at the 28th Fajr Film Festival (Iran) and "Before the Burial" (2008), for which she was awarded the Best Actress prize at the 11th Osian's Cinefan Festival (India).

Negar performed in a theatrical play "The Fourth Wall" (2012-2013) which was awarded the Best Performance of the Year (Iran). Two theatrical plays, Ivanov" (2011) and "Where Were You on January 8th?" (2010), went on European festival tours. For the latter, Negar was nominated for the Best Actress Award at the International Fajr Theatre Festival (Iran).