Leonardo DiCaprio's ex Toni Garrn flashes a ring on her wedding finger as she holds hands with Alex Pettyfer... after being romantically linked for months

He has already reportedly been engaged three times before: to Dianna Agron, Riley Keough and Marloes Horst.

Now it looks like Alex Pettyfer may be off the market yet again as his new girlfriend Toni Garrn, a model who used to date Leonardo DiCaprio, was flashing a ring on her wedding finger in Los Angeles on Thursday.

The two - who have been romantically linked since February - held hands and appeared to be very close as they walked down a busy street.

Spot the sparkle: Toni Garrn was wearing a ring on her wedding finger as she held hands with beau Alex Pettyfer in LA on Thursday

Spot the sparkle: Toni Garrn was wearing a ring on her wedding finger as she held hands with beau Alex Pettyfer in LA on Thursday

A rock? It's hard to tell if the ring was a diamond engagement ring worth a proper penny or if it was merely a piece of costume jewelry

A rock? It's hard to tell if the ring was a diamond engagement ring worth a proper penny or if it was merely a piece of costume jewelry 

On closer look, it could have been a silver promise ring

On closer look, it could have been a silver promise ring 

They met on the set of their movie Warning.   

It's hard to tell if the ring was a diamond engagement ring worth a proper penny or if it was merely a piece of costume jewelry.

She did not seem to have any other rings on. 

After she was spotted with the ring, she seemed to try to hide it by placing her hand in her jacket pocket. 

The 5ft11in German zipped at thick fleece-lined black jacket over a white top.

Not flashing it: The former Vogue wonder pulled her hand back at this point

Not flashing it: The former Vogue wonder pulled her hand back at this point

She also had on a pair of peach leggings and added aviator sunglasses.

Meanwhile, Alex, 29, rolled up the sleeves of his hoodie to show off his toned and tattooed forearms. He shaded his face with a baseball cap and sunglasses.

The pair were in Warsaw together early last month filming Warning.

The film is a sci-fi thriller also starring Alice Eve and Patrick Schwarzenegger.

Dressed down: The 5ft11in German zipped at thick fleece-lined black jacket over a white top

Dressed down: The 5ft11in German zipped at thick fleece-lined black jacket over a white top 

Uncanny: After she was spotted with the ring on, she seemed to try to hide it by placing her hand in her jacket pocket

Uncanny: After she was spotted with the ring on, she seemed to try to hide it by placing her hand in her jacket pocket

Near the end of April, each of them was spotted attending a Montblanc event at Berlin's Admiralspalast theater, though they were not snapped together.

As the month wrapped up, Toni and Alex shared separate Insta Stories updates revealing to their fans that they were in Montreal.

Although Toni was in town to wrap the shoot of her upcoming movie Dreamland, Alex did not have any known filming commitments in Quebec.

Meanwhile: Alex, 29, rolled up the sleeves of his hoodie to show off his toned and tattooed forearms and shaded his face with a baseball cap and sunglasses

Meanwhile: Alex, 29, rolled up the sleeves of his hoodie to show off his toned and tattooed forearms and shaded his face with a baseball cap and sunglasses

Colleagues: The pair were in Warsaw together early last month filming Warning, a sci-fi thriller also starring Alice Eve and Patrick Schwarzenegger

Colleagues: The pair were in Warsaw together early last month filming Warning, a sci-fi thriller also starring Alice Eve and Patrick Schwarzenegger

Globetrotters: On the last day of April, Toni and Alex were both seen leaving LAX together, walking side by side as they dragged their luggage through the parking lot

Globetrotters: On the last day of April, Toni and Alex were both seen leaving LAX together, walking side by side as they dragged their luggage through the parking lot

They go way back: The couple were first linked back in February when Alex tagged Toni in this photo taken at an Oscar party

They go way back: In February he tagged Toni in this photo taken at an Oscar party

Smooch: And she shared this post where she was kissing Alex's cheek

Smooch: And she shared this post where she was kissing Alex's cheek

On the last day of April, Toni and Alex were both seen leaving LAX together, walking side by side as they dragged their luggage through the parking lot.

And they were also seen together at an Oscar party. Both shared photos with each other from the big night in February. 

Leonardo, who is anticipating the release of his latest Quentin Tarantino movie Once Upon A Time In Hollywood, ran around with Toni in 2013 and 2014.

After holding down the Titanic heartthrob for over a year, Toni spent a similar amount of time with NBA player Chandler Parsons, splitting from him in 2016.

Not a coincidence: They were both spotted at the To Berlin and Beyond with Montblanc: Reconnect To The World launch event at Metropol Theater on April 24 in Berlin
Shy: The actors were not photographed together, however

Not a coincidence: They were both spotted at the To Berlin and Beyond with Montblanc: Reconnect To The World launch event at Metropol Theater on April 24 in Berlin

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Leonardo DiCaprio's ex Toni Garrn flashes a diamond ring as she holds hands with beau Alex Pettyfer

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