Their romance was confirmed after they were spotted packing on the PDA in London after a dinner date on Wednesday.
But Lottie Moss, 23, and Tristan Evans, 26, have been secretly seeing each other for a few weeks now, according to The Sun.
A source close to the couple told the publication that there is chemistry between the two of them and that their romance has been blossoming for some time.
Blossoming romance: Lottie Moss and Tristan Evans have reportedly been dating in secret for weeks before going public with their romance and kissing in London (pictured on Wednesday)
The source said that Lottie and Tristan, who met through friends, have really hit it off and that the model has told pals how keen she is on the drummer.
The said: 'It all became public after they had a snog during a night out in the capital but this isn't just a flash in the pan.
'They've been dating for a while and Lottie thinks this could become more serious.
'Lottie and Tristan have been spending time together out of the public eye and they both seem to be really happy.'
MailOnline has approached representatives for Lottie and Tristan for comment.
'They both seem really happy': The stunning model, 23, is even said to be thinking that her new relationship with The Vamps drummer, 26, 'could become more serious'
Lottie and Tristan certainly seemed to be getting along well when they were pictured in a steamy embrace in Notting Hill, London on Wednesday night.
The model got up close and personal with the 6ft 1in musician before he spent the next evening cooking for her during a cosy night in together.
The couple passionately kissed in the street as they shared a cigarette after leaving a romantic dinner at the modern European restaurant Gold.
Putting on a steamy PDA display, it appeared the date had gone well for the pair as they couldn't keep their hands off each other after the meal.
Cosy: The evening after their steamy kiss, Lottie took to Instagram where she shared a late-night snap of the pair together, with her new man seen cooking up a romantic meal for them
Exeter-born Tristan couldn't keep his eyes off her as they strode along the street in unison after their candlelit dinner, and it wasn't long before the pair turned up the heat as they stopped walking to share an
