5 Seconds of Summer are currently embarked on their second ever worldwide headlining arena tour (it's a mouthful, we know) dubbed Sounds Live Feels Live. They rocked their way through Asia and now they're in the U.K., kicking off a few European dates. While overseas, the 5SOS lads shared three Japanese tour diary videos, one in Tokyoone in Osaka and one in Nagoya. Today they've released their first from across the pond: It's all about London and the famed O2 Arena.

In the clip we follow the guys from soundcheck through the show. There's some pre-gig drinking, some sing-a-longs (if you must know, the song in question is "This Heart Attack" by Aussie alt-rock band Faker) and all around hilarity.

Watch the video above, and feel that much closer to 5 Seconds of Summer. 

When you're done there, take our quizzes: Which Member of 5 Seconds of Summer Are You?How Well Do You Know 5SOS? and Is This A 1D Or 5SOS Lyric?