George Russell heading out in his Williams.
It says a lot, since the team have been the biggest topic of discussion this week, and the support from the F1 community speaks positive of the team, plus we finally have a full squad in Barcelona now.
That's it for today...
Daniil Kvyat managed to bag a fast lap time in the final few minutes of this afternoon's session, overtaking Kimi Raikkonen at the top.
Don't forget to vote for your favourite 2019 livery here.
And you can read Andrew Benson's report from day three of testing here.
We'll be back once again at 08:00 GMT tomorrow for the fourth day of pre-season testing.