PICTURES! It all kicks off on Big Brother 2013 between Jackie and Callum

The Big Brother 2013 love triangle hits the rocks on tonight's show.

Callum Knell and Jackie Travers come to blows over his affections for her daughter Charlie.

And of course Dexter is on hand to offer his opinion, as he too chases after Charlie.

Jackie and Callum end up shouting at one another in the garden as the row escalates ahead of tomorrow night's latest eviction.

But while things between Callum and Jackie show no signs of ever getting better, he and Charlie are seen getting close once the other housemates have gone to bed.

Meanwhile, the housemates continue with this week's latest shopping task as they obey Big Brother's Remote Control.

There are tears as Jack and Joe's parents enter the house, and laughter as a barber shop quartet brand the group fake in song.

Big Brother airs tonight at 10PM on Channel 5.

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