Another Big Brother hook up outside the house.

It’s official.

2014 Big Brother housemates Jake Richardson and Lisa Clarke have hooked up outside the house and the pair are reportedly inseparable.

Travis and Aisha, Sam and Sandra, Cat and Lawson and now these two… There must have been something in the Big Brother spa water.

The couple attended the Flickerfest International Short Film Festival in Sydney last night and officially confirmed their relationship with Daily Mail Australia. 

Jake and Lisa at Flickerfest. (Image via Instagram)

Jake, 25, said, "It’s official, we're seeing each other. It’s good. It’s great.'

Lisa joked, "No we’re not happy, we hate each other secretly."

The 29-year-old then admitted that the couple were in a 'good' place and loving hanging out.

Lisa and Jake inside the house.

The pair were at the centre of an awkward love triangle in the house, after fellow housemate – and Lisa’s partner - Skye kissed Jake in the spa before Jake revealed his feelings for Lisa. But Lisa then refused his advances to avoid a bust-up with Skye.

Skye and Jake kissing.

But despite the drama, if their social media accounts are anything to go by the pair now seem inseparable. Both Jake and Lisa's Instagram's feature plenty of loved up selfies of the two, including a special birthday post from Lisa captioned:

"Happy birthday to my best friend, partner in crime and babe. Since you walked into my life you have completely changed my world. Your talent in unmeasurable, your dreams are endless and your lust for life is contagious. Thank you for everything you are, happy birthday @jakerich55 x."

CLICK THROUGH the gallery to see more of this cute couple in action...

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