[Jack_]

I mean the 2009 era is a classic (Flashback is still one of his most underrated songs for me) but my actual answer would have to be the latter stages of the 18 Months era (Let's Go onwards, Thinking About You being my favourite single) into the early stages of Motion (Under Control, Summer and Blame)

This era has been a bit drab for me, the last single I really stanned was This Is What You Came For