It's called Oh My Vlog:

http://www.standard.co.uk/lifestyle/london-life/oh-my-vlog-theres-going-to-be-a-new-youtube-magazine-starring-zoella-and-alfie-deyes-10407320.html

Apparently it is currently just a one off though (sad face!) What do think about this? georgiabeth seems to know a lot about these people.