Niall Horan has been teasing fans about potential new music.
Niall tweeted 'oh we are writing', but it's unclear what exactly he's working on.
In the last few days, a potential collaboration with singer Shawn Mendes was teased.
It followed a back-and-forth betweeen the pair on Twitter, and last night Niall tweeted:
Oh we are writing ๐๐๐๐
โ Niall Horan (@NiallOfficial) 22 January 2019
Naturally, fans are now speculating if the tweet is in relation to their previous public conversation.
Niall has been keeping a low profile since the end of the Flicker World Tour.
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