1. 5 Seconds of Summer gettin' the party started

What better way to kick off the official start to summer than the lads from 5 Seconds of SUMMER? There is no better way. Fact. Watch the boy's set from yesterday and you'll know what we mean.

BBC Copyright: BBC The 5SOS boys sure know how to get a party started! Image caption: The 5SOS boys sure know how to get a party started!

2. Charli XCX and her AMAZING giant zebra print guitar

Can we get a BOOM? Can we get a CLAP? Charli XCX had us up on our feet dancing to her anthem Boom Clap. And her guitar put all other guitars to shame. If you fancy a boogy, we highly recommend re-living every single moment of Charli XCX's set yesterday.

BBC Copyright: BBC Charli XCX and her giant, inflatable guitar. Image caption: Charli XCX and her giant, inflatable guitar.

3. Florence absolutely OWNING the Main Stage

Florence and her red locks looked amazing as the sun set on day one and her vocals, well, they sounded utterly INCREDIBLE. Oh, and let's not forget the shout out she gave to UEA! Big up Norwich! Delve into Florence's set and find out what she treated the crowd to.

BBC Copyright: BBC Florence + The Machine glowing as the sun set on day one. Image caption: Florence + The Machine glowing as the sun set on day one.

4. Muse. No explanation needed.

Muse tore the main stage to absolute SHREDS. What a way to end day one. If you missed it, have no fear, you can get in on all the Muse action here.

BBC Copyright: BBC Matt Bellamy rocking OUT on the Main Stage! Image caption: Matt Bellamy rocking OUT on the Main Stage!

5. And how could we forget Norwich City FC's newest supporter, Snoop Dogg?

Snoop had us droppin' it like its hot with his renditions of all the classics. And his bling microphone left all other microphones feeling inadequate. Treat yourself to some Peaches N Cream and watch Snoop in action.

BBC Copyright: BBC Snoop Dogg loves a bit of Norwich City FC! Image caption: Snoop Dogg loves a bit of Norwich City FC!

Don't forget to check out all the other highlights from yesterday's jam packed day. You won't be disappointed.