It's like a match thread, but for a draw instead!
Here's all the pertinent information:
When: Today, right now! (16.45 BST; 11:45am EDT)
How: On TV, you can watch it on Fox Sports 1 (USA) or BT Sport and Eurosport (UK) or Ten Action (India). Other countries' TV listings can be found here. Online, you can watch it at the previously mentioned channels' respective streaming services, or by going straight to the source at UEFA.com.
Who: 32 teams have qualified; divided into 4 pots of eight, they will get drawn into 8 groups of four. Each group will have one club from each pot.
Pot 1: Barcelona, Bayern Munich, Chelsea, Benfica, Paris Saint-Germain, Juventus, Zenit St. Petersburg, PSV
Pot 2: Real Madrid, Atletico Madrid, FC Porto, Arsenal, Manchester United, Valencia, Manchester City, Bayer Leverkusen
Pot 3: Shakhtar Donetsk, Sevilla, Olympique Lyonnais, Dynamo Kiev, Olympiacos Piraeus, CSKA Moscow, Galatasaray, AS Roma
Pot 4: BATE Borisov, Borussia M'gladbach, Wolfsburg, Dinamo Zagreb, Maccabi Tel-Aviv, KAA Gent, Malmo FF, Lokomotiv Astana
Why: It's somewhat exciting, I guess?