Florence Pugh has publicly defended her relationship with Zach Braff.

On Saturday, the 23-year-old actor responded to an Instagram user who took it upon themselves to remark on the age difference between herself and Braff, 44.

The Little Women star posted a photo of herself posing outside Greenblatt’s Deli in Los Angeles, alongside the caption: “First pit-stop, Matzo Ball soup”, adding the hashtag “#curingjetlag101.”

Former Scrubs star Braff commented on the post with a princess emoji, but in response to the post one social media user pointed out the couple’s 21-year age gap, writing, “you’re 44 years old.”

Pugh promptly responded to the online troll, writing: “And yet he got it”, alongside the OK hand emoji.

A number of Pugh’s followers praised the actor for standing up for herself, while others shut down the user for their negative comment.

“Confused as to what age has to do with an IG picture or Florence’s comment section. Keep that negativity to yourself hun,” one person wrote.

Another added: “Tell her girl!”, while 13 Reasons Why actor Katherine Langford commented with a clapping emoji.

Pugh and Braff were first spotted together in April 2019. The couple previously worked together on the short film, In the Time It Takes To Get There, which was developed by Braff, and starred Pugh and Alicia Silverstone.

While they are yet to make a formal public appearance together, the couple has been spotted separately at the New York premiere of Little Women and at the Marriage Story premiere in early November.

Braff's last public romance was with model Taylor Bagley. However, they separated in 2014 after five years of dating.

Earlier this month, Leonardo DiCaprio’s girlfriend Camila Morrone spoke out to defend their relationship.

In an interview with the Los Angeles Times, the 22-year-old model and actor said she doesn’t understand the criticism of the 23-year age difference between herself and the Academy Award winner.

“There’s so many relationships in Hollywood – and in the history of the world – where people have large age gaps,” Morrone said.