Stephen Bear's humiliated girlfriend Lillie Lexie Gregg gives the cheating CBB star the shock of his life as she arrives at the house for a surprise visit

He humiliated her on national television.

But Lillie Lexie Gregg gets her revenge on Thursday's episode of Celebrity Big Brother, arriving in the house to surprise her now ex boyfriend.

The Ex On The Beach beauty is seen sneaking up behind Bear as she makes her entrance as part of this week's shopping task.

While Bear stands with a pile of doughnuts on his head as part of the task, Lillie can be seen flashing a big grin as she walks down the stairs.

A spokesperson for CBB has told MailOnline that Lillie will be one of many surprise guests to visit the house as part of this week's task.

'This week's two day shopping task will start on Wednesday - shown in Thursday night's episode.

To win this week’s shopping task, all the housemates have to do is complete a series of seemingly simple tasks that require extreme concentration to master.'

'However, Big Brother will throw in an array of distractions to tempt their eye off of the prize, which will include appearances and messages from family & friends and significant others,' the statement teases.

Lillie's visit to the house will no doubt be a huge shock for her former boyfriend Bear, who got very close to housemate Chloe Khan before she was evicted last Friday.

Bear unceremoniously dumped his girlfriend of several months on air. After indulging in several steamy sessions with Chloe, the lothario explained to his living companions: