EXCLUSIVE: A relationship expert reveals what four things make an open marriage succeed in light of Lily Allen and David ...

Love comes in all shapes and sizes, and that doesn’t always mean monogamy. For some people, having one committed partner is plenty, but for others, the idea of having more than one partner makes them ...

In her album West End Girl, Lily Allen got candid about where her open relationship with ex-husband David Harbour went wrong ...

Opening up a relationship is a negotiation—a labyrinthine, unpredictable, and especially horny one. Communicate what you need ...

Dax Shepard recalled his long-term relationship with ex-girlfriend Briegh Morrison and how before meeting Kristen Bell he ...

There are so many misconceptions about open marriages and what they actually look like in practice. Here, we're breaking it ...

Sex and relationship therapist Susan Wenzel said it's OK if her partners have other partners as long as they talk about it first.

The nature of long-term relationships is constantly evolving and while monogamous arrangements suit some, others are ...

The “Parenthood” actor had an open relationship with Morrison for nine years. After the two broke up, Morrison later married ...

The couple, who recently celebrated nine years together, put in “a lot of work to repair” their relationship, Jelly Roll said ...

Selling Sunset’ star Bre Tiesi addressed her partner Nick Cannon's past relationship with Mariah Carey on the new season of ...