Mummy's night out! Peaches Geldof takes a rare night off from son to make premiere comeback at Dark Knight Rises with fiance Thomas Cohen

She's been a smitten mother ever since giving birth to baby Astala earlier this year.
And while Peaches Geldof seems to spend every waking moment with her little son, tonight she managed to drag herself away from him.
Bob Geldof's daughter decided to have a rare night out alone with fiance Thomas Cohen.

 

Glammed up: Peaches Geldof and fiance Thomas Cohen made the most of a night off from their newborn son by turning up to the Dark Knight Rises premiere at The Odeon Leicester Square

 

 

Night off! Peaches Geldof enjoyed a rare evening away from baby son Astala as she glammed up for the Dark Knight Rises premiere in an Alberta Ferretti frock

 

And she certainly made the opportunity as she glammed up in her finest for the Dark Knight Rises premiere.

 

Peaches, 23, wore a metallic floorlength Alberta Ferretti dress with intricate patterned detailing.
She seemed happy and relaxed away from Astala, for a few hours at least.

 

Cuddling up: Peaches normally seems to spend every waking moment with her son Astala and often takes to Twitter to share their tender moments together

 

 

Strike a pose: She seemed to enjoy her return to the spotlight as she got back into the spirit of things

She wrote on Twitter ahead of the premiere: 'So excited for the film to start at the ‪#DarkKnightRises‬ premiere! Im wearing a beautiful Alberta Ferretti dress fit for a Gotham city ball!'
Cohen was joined by her side, acting as ever the supportive and committed fiance.
He opted for a grey suit with high waisted trousers and a black roll neck ready to watch the highly anticipated film, along side the likes of Anne Hathaway, Tom Hardy and Christian Bale.

 

Star turn out: She ensured she didn't miss the opportunity to mingle with the A-listers, like lead character