After getting slapped on the buttocks by a fan, Louis Tomlinson gets called a "complainy pop star" by none other than Harry Styles' BFF, Nick Grimshaw. All thanks to such tweet, Twitter has been in an uproar between Nick Grimshaw, "Directioners," Eleanor Calder and Louis Tomlinson. Here's everything there is to know about the tweet heat.

Being in the British boy band, One Direction, may have its perks but it certainly has its down falls as well. Countless fans' stalk the boys every moves and even paparazzi follow them at every country they head to. While this hasn't affected Harry Styles who has been spotted out and about in Los Angeles to Australia, it has taken a toll on his mate, Louis Tomlinson.

"It's a beautiful day and we can't leave the hotel #papsaretwats," tweeted Louis yesterday.

Of course, leave it to Nick Grimshaw to bring it up on his breakfast radio show. The conversation between Nick and his producer, Matt "Finchy" Fincham is stated below (via The Mirror):

Grimmy: "What are you smirking at?"

Finchy: "That tweet you just told me about."

Grimmy: "Oh yeah. We just saw...err...well, we can't talk about it 'cause it's sweary."

Finchy: "Let's just say a popstar is complaining when they have no right to."

Grimmy: "I love a complainy popstar. It's my favourite thing. All complainy. Ooow, I can't go outside cos I'm famous, ooow. Mask. I'm gonna wear a Fincham mask. If you're gonna go outside, Psy mask."

Obviously, Nick took a jab at Louis Tomlinson calling him a "complainy pop star." "Directioners" found the comment the least bit hilarious which caused Twitter to melt down with tweets against Nick. Eleanor Calder, Louis' girlfriend, also took to Twitter to express her dislike for Nick.

"Me neither!," tweeted Eleanor when a fan sent out the tweet "I never liked Grimmy anyway."

Zayn Malik was also quick to defend Louis Tomlinson against Grimshaw. As for Harry Styles, Nick's alleged BFF, the curly-haired cutie has yet spoken up on the matter. Hopefully, Harry defends Louis Tomlinson rather than take the side of his BFF, Nick Grimshaw.