Akeela Ali, 25, was caught on camera with Fahad Bilal, 26, while their children, aged three and five, ran around playing nearby.
The couple from Newport, South Wales, said they ‘thought about stopping’ when their children interrupted, but carried on, explaining later: ‘It just happened’.
CCTV footage captured the pair frolicking on a sofa in front of lifts in Westfield centre , Shepherd’s Bush, west London.
They appeared before magistrates in Hammersmith today where they pleaded guilty to outraging public decency after the incident in July.
The court heard the family had travelled from Newport to the London shopping centre for a day out in the summer.
Prosecutor Arlene De Silva said: “On the 23 July this year Miss Ali was at the Westfield shopping centre along with her husband and also with their two children aged three and five.
“Just after 8pm they were sitting on a sofa in the lift lobby lounge area on the first floor facing three elevators. “Mrs Ali sat beside her husband and lifted the jacket on his groin.”
The clinch went on for around 10 minutes and they were interrupted ‘several times’ by the children.
“When she was interviewed on 22 October she said she had gone shopping with her children,” the prosecutor added.
“She said she was pregnant and as a result her hormones were everywhere and she felt horny.
“She said they started kissing as their kids were running around playing.
“She lay down on her husband and she said ‘it just happened’.
“When their children interrupted she felt what they were doing was wrong but they carried on.
“She was aware that one of the children was sitting beside Mr Bilal for a portion of the event.
“She said she regretted the incident and was ashamed.”