3. Colin Farrell, 2004
The pair were linked — and seen looking more than chummy — on the set of Alexander.
4. Jason Lewis, 2004-2006
The pair lived together in Los Angeles for a few years but never got engaged (as some outlets reported).
5. Quentin Tarantino, 2006
Tarantino put Rosario in both Death Proof and Grindhouse — and we all know how a director can become taken with his muse…
6. Eli Roth, 2007
The couple dated while filming the movie Grindhouse.
7. Gerard Butler, 2007
Never confirmed, but they sure seemed smoochy while doing publicity for their movie 300.
8. Mathieu Schreyer, 2008-2011
Dawson and the DJ were rumored to be engaged, but split in 2011.
9. Danny Boyle, 2012-2013
Rosario recently said of their relationship, “It’s not like we announced our relationship, so it’s not like we’re going to announce our breakup. I love Danny. He’s wonderful and we dated longer than people think we did. …I respect Danny’s privacy, so it’s not something we really talk about.”