In a 300-word rant posted on his Instagram account (SEE BELOW) Justin Bieber lashed out at what he said were malicious lies in the press about him, his family, his career and his health. 

Bieber addressed how he was not going to rehab after his number of occurrences while touring in London and that his family was disappointed in his actions of late.

While touring in London last week, the pop star reportedly lashed out at reporters and was forced to be held back by his own security.

"Ahhhhh! Rough morning," Justin tweeted after the incident, which took place Friday. "Trying to feel better for this show tonight but let the paps get the best of me."

Bieber went on Twitter tirades a few times during his recent trip to London, but never on Instagram.

"I'm getting better. Thanks to everyone for pulling me through tonight," Bieber tweeted after being hospitalized for collapsing backstage, also a part last weeks dfficulties for the star. "I have the best fans in the world. I'm figuring out what happened. Thanks for the love."

The week started with Bieber's late arrival to the stage for a concert for which a lot of its attendees had school the next morning. Many British parents spoke out against Bieber's callousness.

This time, Justin's Instagram account is where he decided to be heard.

Here is the complete Bieber Instagram post:

"Everyone in my team has been telling me, "keep the press happy" but I'm tired of all the countless lies in the press right now. Saying I'm going to rehab and how my family is disappointed in me. My family is beyond proud, and nothing's been said by them, my grandparents wouldnt know how to reach to press even if they did want to, so that was a lie and rehab c'mon. If Anyone believes I need rehab that's their own stupidity lol. I'm 19 with 5 number one albums, 19 and I've seen the whole world. 19 and I've accomplished more than I could've ever dreamed of, I'm 19 and it must be scary to some people to think that this is just the beginning. I know my talent level and I know I got my head on straight. I know who I am and I know who I'm not. My message is to believe. My albums could be about anything but my messages have been to never say never and believe, not to believe in me but to believe in yourself. I honestly don't care if you don't believe in me because I believe in me, my friends believe, my family believe, my fans believe, and look where that's got me so far.. I'm writing this with a smile on my face and love in my heart. Letting you know firsthand how I feel rather than have these story linger. I'm a good person with a big heart. And don't think I deserve all this negative press I've worked my ass off to get where I am and my hard work doesn't stop here... All this isn't easy. I get angry sometimes. I'm human. I'm going to make mistakes. I'm going to grow and get better from them. But all the love from you guys overcomes the negativity. I love u. Thanks."