Kieran Tierney has been pictured in an Arsenal jersey for the first time since his move to London from Celtic.

The deal was confirmed earlier this afternoon with the Gunners biding their time ahead of the 5pm deadline.

Tierney joins the Emirates outfit on a record-breaking £25m deal after penning a long-term deal worth a reported £75,000 per week.

Arsenal unveiled their new defender on social media.

KT posed up in a home jersey.

READ MORE: Kieran Tierney pictured in London for first time ahead of Arsenal move

And the club wrote: "He's here... Welcome to The Arsenal, @kierantierney1 #TimeForTierney".

The post racked up more than 25,000 shares and 47,000 likes in less than 10 minutes.

Pic credit: Arsenal FC