![Matt Dillon, 54, cuts a casual figure in jeans as he is joined by girlfriend Roberta Mastromichele | Daily Mail Online Matt Dillon, 54, cuts a casual figure in jeans as he is joined by girlfriend Roberta Mastromichele | Daily Mail Online](https://i.dailymail.co.uk/i/newpix/2018/10/03/14/50F08C7600000578-6233729-History_The_duo_were_first_spotted_together_in_Italy_and_France_-a-1_1538573945657.jpg)
Matt Dillon, 54, cuts a casual figure in jeans as he is joined by girlfriend Roberta Mastromichele | Daily Mail Online
![Matt Dillon and his girlfriend Roberta Mastromichele attend the premiere of The House That Jack Built at UGC Cine Cite Les Halles cinema in Paris, France, on October 1, 2018. Photo by Matt Dillon and his girlfriend Roberta Mastromichele attend the premiere of The House That Jack Built at UGC Cine Cite Les Halles cinema in Paris, France, on October 1, 2018. Photo by](https://c8.alamy.com/comp/2DFR3PX/matt-dillon-and-his-girlfriend-roberta-mastromichele-attend-the-premiere-of-the-house-that-jack-built-at-ugc-cine-cite-les-halles-cinema-in-paris-france-on-october-1-2018-photo-by-mireille-ampilhacabacapresscom-2DFR3PX.jpg)
Matt Dillon and his girlfriend Roberta Mastromichele attend the premiere of The House That Jack Built at UGC Cine Cite Les Halles cinema in Paris, France, on October 1, 2018. Photo by
![Matt Dillon enjoys romantic outing in Rome with girlfriend Roberta Mastromichele | Daily Mail Online Matt Dillon enjoys romantic outing in Rome with girlfriend Roberta Mastromichele | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/02/22/09/10136736-0-image-a-14_1550828881903.jpg)
Matt Dillon enjoys romantic outing in Rome with girlfriend Roberta Mastromichele | Daily Mail Online
![Matt Dillon, 56, and girlfriend Roberta Mastromichele attend City of Ghosts premiere in Rome | Daily Mail Online Matt Dillon, 56, and girlfriend Roberta Mastromichele attend City of Ghosts premiere in Rome | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/08/28/09/32494620-0-image-a-38_1598602860996.jpg)
Matt Dillon, 56, and girlfriend Roberta Mastromichele attend City of Ghosts premiere in Rome | Daily Mail Online
![Matt Dillon & Girlfriend Roberta Mastromichele Couple Up at 'House that Jack Built' Paris Premiere!: Photo 4157517 | Matt Dillon, Roberta Mastromichele Photos | Just Jared: Entertainment News Matt Dillon & Girlfriend Roberta Mastromichele Couple Up at 'House that Jack Built' Paris Premiere!: Photo 4157517 | Matt Dillon, Roberta Mastromichele Photos | Just Jared: Entertainment News](https://cdn.justjared.com/wp-content/uploads/2018/10/dillon-parisjack/matt-dillon-girlfriend-roberta-mastromichele-couple-up-at-house-that-jack-built-paris-04.jpg)
Matt Dillon & Girlfriend Roberta Mastromichele Couple Up at 'House that Jack Built' Paris Premiere!: Photo 4157517 | Matt Dillon, Roberta Mastromichele Photos | Just Jared: Entertainment News
![Matt Dillon enjoys romantic outing in Rome with girlfriend Roberta Mastromichele | Daily Mail Online Matt Dillon enjoys romantic outing in Rome with girlfriend Roberta Mastromichele | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/02/22/09/10136102-6733117-image-m-2_1550828584565.jpg)
Matt Dillon enjoys romantic outing in Rome with girlfriend Roberta Mastromichele | Daily Mail Online
![Matt Dillon walks arm-in-arm with Italian actress girlfriend Roberta Mastromichele | Daily Mail Online Matt Dillon walks arm-in-arm with Italian actress girlfriend Roberta Mastromichele | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/09/08/15/32920222-0-image-a-1_1599575008339.jpg)
Matt Dillon walks arm-in-arm with Italian actress girlfriend Roberta Mastromichele | Daily Mail Online
![Matt Dillon, 54, cuts a casual figure in jeans as he is joined by girlfriend Roberta Mastromichele | Daily Mail Online Matt Dillon, 54, cuts a casual figure in jeans as he is joined by girlfriend Roberta Mastromichele | Daily Mail Online](https://i.dailymail.co.uk/i/newpix/2018/10/03/01/50F1739D00000578-0-image-a-10_1538526902553.jpg)