Millie Mackintosh has sparked rumours she's engaged.

Millie Mackintosh and Hugo Taylor

Millie Mackintosh and Hugo Taylor

The former 'Made In Chelsea' star has set tongues wagging after she was spotted wearing a diamond sparkler on her ring finger on Wednesday (26.07.17) while on holiday in Mykonos with her beau Hugo Taylor in celebration of her 28th birthday.

The TV star raised eyebrows the night before when she uploaded a photograph of her tucking into a lavish cake and cunningly hid her left hand from the shot by sliding it under the table. She captioned it: "The perfect end to the best birthday ever."

The rumoured engagement comes just five months after she confirmed the couple had decided to take their romance to the next level by moving in together in London.

Uploading a picture of the pair at London Fashion Week in February, Millie posted three red hearts and wrote: "My new roomie (sic)"

Millie and Hugo have been dating just over a year, but were previously in a relationship with one another before the posh babe married rapper Professor Green in 2013.

The reality TV star has remained relatively tight-lipped on her beau in interviews but admitted a few months ago that she's "very happy" with him and things are "great."

She said at the time: "Hugo's great. I'm great. I'm very happy. That's all that I can say."

Although Millie seemed to move on fairly quickly after she split from Pro Green - whose real name is Stephen Manderson - the 'Read All About It' hitmaker was distraught.

He said: "I didn't get married to get divorced. Neither of us did. So all that really comes from it is it's quite sad that it ended. I definitely [still believe in love], because I love people I've had relationships with. I love friends - even friends I'm not friends with any more. And family members. I can't tell you that I don't love my mum, because I wouldn't be here without her. So even though we don't have a relationship, she's still someone I love - all be it from a distance."