Was it Gareth Bale's overhead kick? Gary Neville getting excited about Lionel Messi? Or maybe just Divock Origi doing Divock Origi things?
Wednesday night was the last Champions League action of the decade and to mark it we asked BBC Sport readers to tell us what their most memorable moments of the tensies - or whatever we call the 2010-2019 period - were.
Here are some of your responses.
Was Gareth Bale's overhead kick for Real Madrid against Liverpool one of the best Champions League goals of the decade? It featured highly in many of your suggestions
Divock Origi's crucial contribution to Liverpool's Champions League win this year was a feature in many people's favourite moments of the competition in the 2010s
Was Robert Lewandowski slamming four goals past Real Madrid for Borussia Dortmund in 2013 the best individual performance of the decade in the Champions League?
There's countless memorable Messi moments in the Champions League over the years, but one or two of you particularly enjoyed the time when he put Bayern Munich's Jerome Boateng on the floor with a particularly dazzling piece of skill back in 2015. It was a moment that provided plenty of memes...View more on twitter
Source: bbc.com