Sienna Miller meets up with her ex Tom Sturridge for a bike ride and flashes diamond ring

Sienna Miller meets up with her ex Tom Sturridge for a bike ride and flashes her diamond ring after ‘getting engaged’ to Lucas Zwirner

She reportedly got engaged at the start of the year. 

And Sienna Miller‘s diamond ring was still gleaming as she stepped out with Tom Sturridge in New York on Tuesday. 

The actress, 38, wore a face mask as she hopped on a bike for the rendez-vous with her ex-boyfriend.

 

Stepping out: Sienna Miller went on a bike ride in New York City on Tuesday, flashing her diamond engagement ring

Sienna, who shares daughter Marlowe with the English actor, looked stylish in a vintage t-shirt and khaki cap for the outing.

The Alfie actress rocked a pair of rolled-up blue jeans and white Gucci trainers for the bike ride in the city.

The beauty also brought a Loewe Balloon bucket bag and accessorised with rings and a gold bracelet.

Meet-up: The actress, 38, had a rendez vous with her ex boyfriend Tom Sturridge, who she shares her daughter Marlowe with

Meet-up: The actress, 38, had a rendez vous with her ex boyfriend Tom Sturridge, who she shares her daughter Marlowe with 

Fashionista: The Alfie star looked as stylish as ever in a printed vintage t-shirt, rolled up jeans and Gucci trainers

Fashionista: The Alfie star looked as stylish as ever in a printed vintage t-shirt, rolled up jeans and Gucci trainers

Fashionista: The Alfie star looked as stylish as ever in a printed vintage t-shirt, rolled up jeans and Gucci trainers

Lockdown outing: The former couple cut casual figures in caps and were cautious in their face masks

Lockdown outing: The former couple cut casual figures in caps and were cautious in their face masks

Sienna wore a black face mask for the outing and let her blonde tresses hang beneath her cap.

Meanwhile Tom cut a casual figure in a plain black t-shirt, blue chinos, a face mask and cap.

The Boat That Rocked star completed her look with sunglasses, a gold chain and white Nike trainers.  

Stylish: The beauty also brought a Loewe Balloon bucket bag and accessorised with rings and a gold bracelet

Stylish: The beauty also brought a Loewe Balloon bucket bag and accessorised with rings and a gold bracelet

Stylish: The beauty also brought a Loewe Balloon bucket bag and accessorised with rings and a gold bracelet

Lockdown look: The actress was almost recognisable in the face mask which she wore below her mouth

Lockdown look: The actress was almost recognisable in the face mask which she wore below her mouth

Catching up: Tom and Sienna were together from 2011 to 2015 and their daughter Marlowe was born in July 2012

Catching up: Tom and Sienna were together from 2011 to 2015 and their daughter Marlowe was born in July 2012

Catching up: Tom and Sienna were together from 2011 to 2015 and their daughter Marlowe was born in July 2012

It comes after Sienna reportedly got engaged to her art gallery owner boyfriend Lucas Zwirner, 29, in January after one year of dating. 

Lucas, a Yale-educated literature expert who joined the family business to grow his father’s eponymous art gallery, David Zwirner Books, is said to have popped the question earlier this year. 

He now oversees 25 book releases a year as editorial director of the company and revealed he plans to extend the gallery to publish more than books.

Stocking up: Sienna went to the shops to get supplies in the stylish and casual ensemble

Stocking up: Sienna went to the shops to get supplies in the stylish and casual ensemble

On trend: Tom cut a casual figure in a plain black t-shirt, blue chinos, a face mask and accessorised with a cap and gold chain

On trend: Tom cut a casual figure in a plain black t-shirt, blue chinos, a face mask and accessorised with a cap and gold chain

On trend: Tom cut a casual figure in a plain black t-shirt, blue chinos, a face mask and accessorised with a cap and gold chain

The pair are said to be blissfully happy together and have begun making plans for their wedding.  

Sienna shares her only child with actor ex Tom, and previously dated her Alfie co-star Jude Law.

The former on-off couple got engaged on Christmas Day 2004, split in 2006 before reuniting in 2009 and breaking up again in 2011.

Her love: The thespian and Yale-educated literature expert Lucas got engaged in January (pictured together in May 2019)

Her love: The thespian and Yale-educated literature expert Lucas got engaged in January (pictured together in May 2019)