Sam Smith and Brandon Flynn make it Instagram official

They've been rumoured to be dating since October, and now it seems Sam Smith's relationship with Brandon Flynn has been confirmed.

Brandon, who starred in 13 Reasons Why, has posted a super cute selfie with the singer on Instagram.

Rare sighting in London ??

A post shared by Brandon Flynn (@flynnagin11) on Dec 21, 2017 at 3:59pm PST

Sam confirmed he's in a relationship while appearing on The Ellen DeGeneres Show two months ago, although he didn't mention the name of his boyfriend.

Cover image and images on Facebook and Twitter via @flynnagin11 on Instagram