Leonardo DiCaprio and his much younger girlfriend, 21-year-old model Camila Morrone, are still going strong.

The Oscar-winning actor, 44, and Morrone were recently spotted stepping out together in Los Angeles for a lunch date. DiCaprio and his model girlfriend had lunch with the actor's father, George DiCaprio, and his stepmother, Peggy Ann Farrar.

In photos of their outing, DiCaprio went for a casual ensemble for their lunch date. He wore a gray hoodie, blue jeans, white sneakers and a cap. Morrone, who hails from Buenos Aires, Argentina, also went for a simple look with a black shirt, denim skirt, gray topper and black boots. She accessorized with a large Chanel tote, gold jewelry and several necklaces.

Rumors of DiCaprio and Morrone dating first surfaced in December 2017. Prior to this, the "Titanic" star had been linked to several women, mostly models, including Bar Refaeli, Kelly Rohrbach, Blake Lively, Erin Heatherton, Gisele Bundchen and Toni Garn.

In the summer of 2018, DiCaprio and Morrone were photographed enjoying a romantic getaway together in Europe.

Morrone kicked off her modeling career in 2016 when she graced the cover of the Turkey edition of Vogue. The model also walked for many designers and appeared on big campaigns such as Victoria's Secret Pink label and Sephora.

Morrone has also dabbled in acting. She appeared in the 2013 movie "Bukowski" and had a role in two films in 2018, "Never Goin' Back" and "Death Wish."

Leonardo DiCaprio, Camilla Morrone
Leonardo DiCaprio and his model girlfriend's relationship is going strong. Pictured: Leonardo Di Caprio (C) and his partner Argentinian and US model Camilla Morrone (R) attend the UEFA Champions League Group C football match between Paris Saint-Germain (PSG) and Liverpool FC at the Parc des Princes stadium, in Paris, on November 28, 2018. Getty Images/Franck Fife

Her mom, Lucia Sola, also dated an A-list Hollywood star. However, the 41-year-old recently broke things off with longtime partner Al Pacino, whom she has been in a relationship with since 2009, Page Six reported. The 78-year-old actor is currently dating singer-actress Meital Dohan.

As for DiCaprio, his movie with Brad Pitt, "Once Upon a Time in Hollywood," will be premiering in theaters across the U.S. on Aug. 9, according to Business Insider.

Last year, he shared a teaser photo from the set of Quentin Tarantino's upcoming 10th film via Instagram. In the snap, he and Pitt are in full 1960s costume for the movie, which will partly explore the Manson Family murder of the actress Sharon Tate.

Aside from DiCaprio and Pitt, "Once Upon a Time in Hollywood" will also star Margot Robbie, Al Pacino, Damian Lewis, Dakota Fanning, Burt Reynolds and more.