Doctor Who star Millie Gibson stuns in a white polka dot mini dress as she celebrates her 20th birthday with a swanky dinner ahead of blockbuster series finale

Fans are eagerly counting down the hours until Saturday’s final.

And Doctor Who star Millie Gibson celebrated her twentieth birthday in style on Wednesday, with a chic dinner in London.

The actress, who has captivated audiences with her role as The Doctor’s companion Ruby Sunday, donned a fun polka dot mini dress as she headed out for dinner with her friends.

This weekend the new series of Doctor Who comes to its long-awaited conclusion, with viewers hoping to discover the truth about Ruby’s birth mother.

Millie took to Instagram Stories to share a selection of photos from her birthday, including a glimpse of the cake she got from her friends.

Doctor Who star Millie Gibson celebrated her 20th birthday in style with a fancy dinner after being surprised with cake by her co-stars on Wednesday

The actress was surprised with a cake by her co-stars after taking a break from filming a new version of The Forsyte Saga

The actress was surprised with a cake by her co-stars after taking a break from filming a new version of The Forsyte Saga

The actress is currently filming a new version of The Forsyte Saga, in which she will play the iconic character Irene, after wrapping filming on Doctor Who’s second series last month.

Millie also posted a stunning selfie wearing a busty spotted mini dress as she dined out at Casa restaurant.

Millie shared another photo with her friends after the meal and captioned her post: “Thanks for all the birthday wishes, feeling the love.”

On Saturday, Doctor Who fans were left stunned when the final episode ended on a breathtaking cliffhanger.

The new series, the first to star Ncuti Gatwa as The Doctor and Russell T Davies as returning showrunner, concludes this weekend, following the shock revelation that God Of Death Sutekh has returned from prison.

In the penultimate episode of the series, Doctor Who fans hoped they would finally discover the truth about the mysterious woman who had appeared in multiple incarnations throughout the adventures of the TARDIS.

The woman, played by actress Susan Twist, appeared in a variety of characters, from a 1960s tea girl and an AI-generated ambulance to eventually modern technology mogul Susan Triad.

The episode saw The Doctor and Ruby seek help from UNIT to uncover the truth about the woman, and answers about the companion’s biological mother, who left her daughter in a snow-covered church on Christmas Eve.

Millie also posted a stunning selfie, wearing a busty spotted mini dress, as she dined out at Casa restaurant

Millie also posted a stunning selfie, wearing a busty spotted mini dress, as she dined out at Casa restaurant

On Saturday, Doctor Who fans were left stunned when the final episode ended on a breathtaking cliffhanger

On Saturday, Doctor Who fans were left stunned when the final episode ended on a breathtaking cliffhanger

This weekend the new series reaches its long-awaited conclusion, with viewers hoping to discover the truth about Ruby's birth mother

This weekend the new series reaches its long-awaited conclusion, with viewers hoping to discover the truth about Ruby’s birth mother

In some of the show’s scariest scenes yet, it was revealed that the long-imprisoned God Of Death Sutekh had been waiting in the TARDIS, eventually revealing himself and his plan to turn the universe to dust.

It remains to be seen whether The Doctor can put an end to this threat and finally reveal the truth about her birth mother.

Fans praised the episode, with one penny on X: ‘Rather enjoyed that Doctor Who episode. Best of Series’;

‘That reveal was 1000/10’; ‘What a great episode. I can’t wait for next week!’

The final episode of Doctor Who will be released on Saturday at midnight on BBC iPlayer in the UK and will air on BBC One that evening at 6.40pm. The series is available to stream internationally on Disney+.