The former TOWIE star was wining and dining the Coronation Street actress at Alec's restaurant in Essex when ex Lucy Mecklenburgh arrived for a meal with a friend on Saturday night.
Mark and Michelle were seen smooching away at their table in a world of their own when Lucy arrived at the restaurant.
The boutique owner has denied asking to be seated away from the couple with a spokeswoman for Lucy simply saying she was 'surprised' to see the tactile pair.
Love on the menu! Mark Wright and Michelle
Keegan were seen smooching up a storm at Alec's restaurant in Essex.
Mark's ex Lucy Mecklenburgh turned up
And it seems the bitterness is far from over as Lucy, 21, strolled into the restaurant in a tight white blazer and didn't say a word to the pair.
Coronation Street actress Michelle, 25, and reality star turned presenter Mark, 26, barely noticed Lucy entering the posh eatery in Essex as they spent most of their meal kissing and cuddling.
Wait until we order! Mark starts nibbling on Michelle's ears even before they order
The shame! Lucy looks like she was slightly embarrassed as she leaves the restaurant - perhaps Marchelle put her off her dinner
He's a laugh a minute! Mark does an impression of... something,,, at their dinner
At one point Take Me Out: The Gossip presenter Mark made Michelle scream with laughter as he put his hand to his lips, one can only guess what he was doing an impression of.
Michelle looked completely at ease with her new lover and the pair are obviously done with dressing to impress as they both opted for casual outfits as they went on their dinner date.
Closer than ever: Mark and Michelle looked completely at ease in each other's company on their dinner date
More than friends: Michelle gives her boyfriend a shoulder rub at the dinner table
Little did she know! Lucy arrives at the restaurant with a girlfriend looking chic in a white blazer and lace trousers
They didn't even notice! Mark and Michelle only had eyes for each other at the dinner table
At the National Television Awards, Mark couldn't help gushing about his new love, saying: 'Things are going really well and at the moment I’m very happy.
'I’m having lots of fun with her. She’s a gorgeous girl.'
Even unlucky in love James 'Arg' Argent predicted the pair are so well suited they will become Mr and Mrs Wright.
Casual chic: Michelle met Mark for a casual dinner date
She told new! magazine after she met Michelle at the National Television Awards Mark was green with envy.
She said: 'She was really nice. I got a picture of her and Mark and Arg were jealous. They both fancied her. I think they are a great couple. I heard that Mark’s mum and dad went out with her a few times and really like her!'