The gap between the two shows has been getting closer and closer and last night the ITV2 series went ahead of the Channel 5 show.
Love Island returned to our screens last year after ten years away, ditching its old 'Celebrity' format in favour of a brand new look.
And it seems to have won over viewers with last night's episode recording a high of 1.1 million viewers, its best rating ever for the new look.
It beat Big Brother in the 9PM slot by 40,000 viewers (including +1 channels) as the latest highlights from the house dropped 100,000 viewers on last week.
Despite Love Island taking over and taking a dip week-on-week, Big Brother was still up on last year's equivalent viewing figures by 100,000.
Both shows continue tonight at 10PM.