Help me identifty this song please

hi i watched an episode of eastenders last night and heard a good song i liked the sound of, im not sure if its by the saturdays but please look at this link and forward to 22:18 where the 2 blonds are walking, ignore what there talking about and listen to the song in the backgrond being played http://www.youtube.com/watch?v=Rl-xIS6DG8M&t=22m18s

thanks.

The video didn't work for me at that link but I found the clip on YouTube here.

thankyou, i will edit the post and do you have any idea of what song it is or is by?
thanks