Years after hitting it off on I’m A Celeb, and have reunited and appeared to be flirting while out for dinner.
The 42-year-old boxing champion and his model girlfriend but have also linked to other women during this time.
Earlier this year David and Sian, 31, were said to be in a ‘throuple’ with The Saturdays’ Una Healy but she has .
Now, it seems an ‘open-minded’ Helen, 33, has joined them after being spotted at a Heineken after-party following a boxing event at the Ovo Arena in , .
At the event in May, David and Helen were said to be flirting away with Sian present and aware of the pair’s date.
‘Helen reconnected with David earlier this year. They got on like a house on and have been messaging a lot since,’ a source close to the former Corrie star told .
The Rosie Webster actress split from Bristol Rovers player Scott Sinclair last year, after 13 years together.
The source continued: ‘Helen and Sian have also met and hit it off straight away. Helen’s a very open-minded person and all three got on well.
‘Helen has had some difficult dating experiences since becoming single but is really enjoying David’s company.’
They added the pair have really clicked and have a lot of chemistry recently, although they have been friends for many years.
Helen initially met David on 2012’s I’m A Celeb and the duo were incredibly playful in the jungle, with the boxer placing third.
Earlier this month, DJ Mica Jova, 28, was linked to the polyamorous couple as she spoke out against Una.
The former Saturdays singer had been vocal about feeling ‘hoodwinked’ into the throuple and barely knew Sian while she was dating the heavyweight champion.
Una had come out of a bad relationship with ex husband Ben Foden after he was unfaithful; they now Aoife, 11, and eight-year-old Tadhg.
Mica defended the unusual dynamic when speaking , she said she had a ‘good time’ with David and Sian and addressed social media snaps of them, saying she doesn’t ‘regret anything’.
‘They were treating everyone right while I was with them, and they were so gentle, so they don’t deserve this,’ Mica shared in May.
She added: ‘They were two of the most gorgeous souls I have ever met and they are very cool people. I don’t regret anything in my life.’
Metro.co.uk has reached out to David and Helen’s representatives for comment.