Kristen started to talk about her sexuality in 2016, when she declared she was "really in love" with then-girlfriend Alicia Cargile.
She's also been linked to French singer/actress Soko and Cara Delevingne's former flame St.
The actress became an overnight A-lister after she was cast as the female lead in vampire film franchise Twilight, based on the popular books by Stephenie Meyer, and added even more star power to her name when she began dating her handsome co-star Robert Pattinson.
While in recent years the edgy star has favoured girlfriends over boyfriends, Kristen, who is currently dating model Stella Maxwell, says she's not done with men just yet. Definitely," she told British Harper's Bazaar magazine when asked if she could fall in love with a man again.
She recalled, "I never wanted to be the center of attention — I wasn't that 'I want to be famous, I want to be an actor' kid.
I never sought out acting, but I always practiced my autograph because I love pens.
She won the BAFTA Rising Star Award in 2010 and was awarded the Milan International Film Festival Award for Best Actress in 2011 for Welcome to the Rileys (2010).
In 2015, she received critical acclaim for her role opposite Juliette Binoche in Clouds of Sils Maria, for which she won a multitude of accolades, including the César Award for Best Supporting Actress, making her the first American actress to win a César Award.
Stewart has appeared in a wide variety of films, including Adventureland (2009), The Runaways (2010), Snow White and the Huntsman (2012), On the Road (2012), Camp X-Ray (2014), Still Alice (2014) and Equals (2015).
The actress was filming a new movie about Lizzie Borden co-starring Chloe Sevigny.
"Kristen is dating Stella Maxwell," an insider told People at the time.
star was all smiles in a black jacket, jeans and grey t-shirt as she strolled with Maxwell in the park.
Entertainment Tonight reported the pair rode the Boomerang rollercoaster and enjoyed a couple beers.