1. Eva Mendes
In 2011, Eva appeared on Chelsea Lately and said, "I actually think it's really sexy to be with someone in your 50s and 60s and be like, 'That's my boyfriend.' I think husband and wife is just . .. very unsexy."
She does have a child with Ryan Gosling, but they do not have plans to marry.
2. Charlize Theron
Charlize Theron has been in serious relationships and has even been engaged, but has never officially married.
She is currently 40 years old and has 2 kids.
3. Tyra Banks
The 41 year old supermodel recently had a child with Norwegian photographer, Erik Asla. Their child, York, was born via surrogate.
Tyra has often talked about her struggles to conceive, and they are very happy to now have a son.
4. Marisa Tomei
Marisa Tomei is 50 and happily single.
She was engaged to Logan Marshall-Green, who is 12 years younger than her, but the engagement was called off.
5. Oprah Winfrey
At 61, Oprah says marriage isn't something she wants; however, she has been steadily dating Stedman Graham since 1986.
6. Jon Hamm
Rumors were circulating that Jon Hamm and his girlfriend of 16 years Jennifer Westfeldt broke up. Apparently, one of them wanted kids and the other did not.
Either way, the 44 year old actor has not married yet.
7. Diane Keaton
Diane is 69 years old and she says she's just not interested in getting married... unless it's to Channing Tatum.
8. Leonardo DiCaprio
Leo is known for dating gorgeous models, and at 40, it seems like he is still playing the field.
9. Chelsea Handler
At just 9 years old, her dad she wasn't the marrying kind.
Now at 40, Chelsea Handler agrees that marriage isn't for her, at least for the moment.
10. Kristin Davis
Although her character in Sex and the City wants nothing more than to have the perfect marriage, Kristen says she cannot imagine being married.
At 50 years of age, she says she loves being a mom and that is her number one priority.
11. Hugh Grant
The 54 year old has 3 kids, but says he does not believe in marriage.
12. Owen Wilson
The 46 year old said he always thought he would be married by 30, but things haven't worked out that way.
He does have 2 children and has dated some big stars like Kate Hudson and Sheryl Crow.
13. Sheryl Crow
At 53, Sheryl Crow has said that marriage isn't the most important thing to her.
She says she would rather have three broken engagements than three divorces.
14. Winona Ryder
Winona Ryder has paired up with some of Hollywood's best.
She dated Johnny Depp and was engaged to Matt Damon, but neither of those relationships worked out.
15. John Cusack
John Cusack has dated some of Hollywood's best looking actresses like Neve Campbell and Minnie Driver, but still has not married at 49.
16. Kourtney Kardashian
Although her and Scott Disick have been dating for nearly a decade and have 3 children together, Kourtney has not tied the knot.
17. Sarah Silverman
Sarah spoke about her choice to remain single on Twitter in September 2014. She wrote, "Just read that I wanna get married which is hilarious b/c I will never get married," adding, "Why would I want the govt involved in my love life? Ew. It's barbaric."
She has been dating Kurt Russell for 30 years and together, they have raised 4 children. She said there isn't a reason for them to get married.
18. Goldie Hawn
They love each other and are happy with the way things are.
19. Al Pacino
At 75, Al Pacino has dated many stars, but this dad of 3 has never married.