Celeb social: Justin Bieber's backstage kiss with Madonna

An 'unapologetic' Justin Bieber gives Madonna a kiss.

Our social media scout Cam Mansel gives you the run down of things you might have missed in the weird and wonderful world of celebrity social media.

Brought a zoo?

Making history one track at a time

Scottish Chic

It's a good day for breaking records!

He will be apologetic when he's been roasted!

Is it just me or does this look like some kind of bodily function that isn't so pleasant?

Kim Pundashian...

NEW ALBUM! - I'm not fangirling....

I've heard happy wife happy life... married friends happy GAGA... doesn't quite work the same.

Because I'm HAPPY!

Happiness is a basic human right

— Pharrell Williams (@Pharrell) March 18, 2015

Desperate or not it's a good song!

So @PaulMcCartney's ex-wife thinks working with @KanyeWest and @Rihanna is desperate: http://t.co/MSYkc6IAat pic.twitter.com/TYi9o7fjBF

— idolator (@idolator) March 18, 2015

And a laugh!

'Cause uptown funk gon' give you a good workout. http://t.co/KpW0WXrmn1 pic.twitter.com/zc0IX19yw0

— YouTube (@YouTube) March 18, 2015

#Musician problems.

To reverb or not to reverb...

— The Noonans (@karminmusic) March 18, 2015