By GEORGE STARK
Knockout: Suki Waterhouse stands out on the set of Love, Rosie wearing tight jeans and a crop top in Dublin, Ireland
They are yet to make their red carpet debut as a couple, after Bradley Cooper attended London premiere of The Hangover III alone last week.
But that may be down to British model Suki Waterhouse's busy career, as she can now add budding actress to her resume.
The 20-year-old beauty was spotted on Monday filming the new movie Love, Rosie in Dublin, Ireland which stars actress Lily Collins.
The film is being adapted from the Cecelia Ahern novel of the same name which centres around the character Rosie Dunne, played by Lily.
While it is unclear how big Suki's part in the movie is, the model certainly seemed to steal the limelight from her co-star, wearing tight-fitting jeans and showing off her toned midriff.
Lily, the daughter of Phil Collins, had been earlier pictured filming romantic scenes from the film with her onscreen beau Sam Claflin.
Ready for her close-up: British model Suki Waterhouse, who is rumoured to be dating Bradley Cooper, can now add budding actress to her resume
Perfecting her craft: Hopefully Suki managed to get a few acting tips from her boyfriend Bradley Cooper for her role in Love, Rosie
Model actor: British model Suki Waterhouse stood out from the crowd on set, while the star of the film Lily Collins looked drab
However, on Monday Lily looked dowdy in character with long brunette hair and a baggy jumper as she pushed a stroller along.
Suki would have no doubt asked her boyfriend Bradley, 38, for some acting tips, as he studied at the Actors Studio Drama School in New York.
Bradley and Suki were last seen together taking a romantic stroll through New York together earlier this month.
Star of the show: Mirror Mirror actress Lily Collins looked drab in an over-sized jumper on the set of Love, Rosie
The couple were first spotted together leaving the ELLE Style Awards in London on February 12, and then again in Boston, Massachusetts on March 18.
A source at the time told UsWeekly: 'He's really into her.'
Suki, who is a whopping 18 years younger than Bradley, looked completely at ease on set of the film in Ireland.
Love story: Lily Collins will play the lead character Rosie Dunne in the romantic comedy Love, Rosie n here
Touch up: Lily Collins has starred in a string of hit films including Mirror Mirror, Abduction and The Blind Side
In scene: Suki first met her actor boyfriend Bradley Cooper in London in February earlier this year at an awards bash
Power couple? Bradley and Suki, seen here in April in France, have been dating since February
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