Celebs Who Swing: 20 Celebrity Couples In Open Relationships

2. Brad Pitt and Angelina Jolie

Angie used to carry a vial of Billy Bob Thornton’s blood around her neck when they were dating, so suffice it to say she’s kind of a wild child who can’t be bossed around. For her relationship with Brad, they didn’t really do the whole “monogamy” thing, but that’s subsequently crashed and burned and it’s still up for grabs whose fault that was.