She and her former Made In Chelsea co-star Hugo confirmed their relationship at the end of May, while Millie joined Hugo in Monaco for his 30th birthday celebrations.
Millie had shared a photo of herself and Hugo kissing to Instagram, and now she has gushed that she is "very happy" to be dating her former flame again.
Speaking to The Telegraph, Millie briefly opened about her romance with Hugo. She said: "I'm great. He's great. I'm very happy, that's all I can say."
She chose not to comment on her split from Professor Green. Millie and Pro Green (Stephen Manderson) had been married for two and a half years before announcing their separation earlier this year in February.
The ex-couple released a joint statement which read: "It is with sadness and regret that we confirm our separation.
"It is a mutual decision, we still care deeply about each other and would like it to be known it is on amicable terms and we wish each other well."
They divorced three months later, as Millie and Professor Green were granted a decree nisi in May.
Rumours of romance between Millie and Hugo first surfaced in March, two months before she decided to go public with their relationship status.
Millie and Hugo first dated during series two of Made In Chelsea back in 2011 and fans watched their romance play out onscreen. It came to an abrupt halt, however, when it was revealed Hugo had cheated on Millie with her best friend Rosie Fortescue.
Now, Millie and Hugo are giving their relationship another shot and were recently spotted enjoying Glastonbury Festival over the weekend. Hugo shared a cute photo of himself and Millie during the festival.
Alongside his post, he told fans: "First trip to @glastofest."
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