There are quite a few celebrities who have never tied the knot.
Some famous folks don't believe in the institution of marriage, while others just never get around to it.
Although they never married, several famous people have had rather significant relationships with other celebrities.
Click on to see our list of famous people who didn't put a ring on it...
(AP Photo)
1. Kylie Minogue
Australian superstar Kylie Minogue has never been married.
She was engaged to Andrés Velencoso from 2009 to 2013, and has also dated INXS front man Michael Hutchence and actor Olivier Martinez.
She is currently in a relationship with British actor Joshua Sasse.
(AP Photo)
2. Matthew Perry
Could he BE any more single? Matthew Perry has dated famous Hollywood stars like, Julia Roberts, Yasmine Bleeth, and Lauren Graham.
The 'Friends' star was also in a relationship with actress Lizzy Caplan from 2006-2012, but has never married.
(AP Photo)
3. Kevin Spacey
'House of Cards' star Kevin Spacey, 56, has never married, nor has he ever gone public with a relationship.
(AP Photo)
4. Oprah Winfrey
Media mogul Oprah Winfrey, 62, has been dating Stedman Graham since 1986.
The couple was even engaged to be married in 1992, but the ceremony never took place. Oprah claims marriage simply isn't for her.
(AP Photo)
5. Winona Ryder
Winona Ryder, 44, once told OK! Magazine that she only plans on marrying once. "I very much believe in marriage. I hope to only be married once, which is why I've never been married."
The 'Black Swan' actress was engaged to Johnny Depp in 1990, and has dated Soul Asylum frontman Dave Pirner and actor Matt Damon.
(Image Courtesy: www.sherylcrow.com)
6. Sheryl Crow
The famous singer has written some of the best love songs in country music, but has never wed.
The 53-year old has been notably involved with actor Owen Wilson, musician Eric Clapton, and cyclist Lance Armstrong.
7. Jane Austen
Unlike every heroine of every book she ever wrote, classical English novelist Jane Austen never married.
(AP Photo)
8. Al Pacino
Although he has never married, Pacino has three children from two of his many high-profile relationships.
'The Godfather' star has a daughter with acting coach Jan Tarrant and twins with Vacation actress Beverly D'Angelo.
The 75-year old actor had an on-again, off-again relationship with Diane Keaton for many years.
9. Ludwig Van Beethoven
Famous German composer Ludwig van Beethoven never married. He had several relationships, but music remained his one true love.
(AP Photo)
10. Marisa Tomei
Though Oscar-winner Marisa Tomei has been linked to several famous leading men, she has never been married.
The actress has had relationships with famous stars including Robert Downey Jr. and Josh Radnor, and was engaged to Logan Marshall-Green until 2012.
(AP Photo)
11. Diane Keaton
Diane Keaton, 70, has been involved in high-profile romances with Woody Allen, Al Pacino and Warren Beatty.
But the legendary actress has never tied the knot. After adopting two children on her own, Keaton publicly announced the end of her search for love.
(AP Photo)
12. John Cusack
John Cusack has managed to date several famous actresses like Neve Campbell and Minnie Driver, while keeping the relationships out of the spotlight.
However, the 49-year old actor has never said "I do."
(AP Photo)
13. Tim Robbins
Although the 'Shawshank Redemption' actor has had two children and a 20-year relationship with actress Susan Sarandon, he has never put a ring on it.
14. Coco Chanel
Even though she was one of the world's most iconic fashion designers, Coco Chanel never got to design her own wedding dress.
(AP Photo)
15. Hugh Grant
The 'Notting Hill' star dated actress Elizabeth Hurley for 13 years, and also had a long-term relationship with British writer Jemima Khan.
Even though he may be a father of three, the notorious bachelor has never married.
(AP Photo)
16. Owen Wilson
Funnyman Owen Wilson has been in and out of lots of relationships with A-list celebrities like Kate Hudson, Sheryl Crow and Gina Gershon.
(AP Photo)
17. Matt Dillon
The 51-year-old actor has never said "I do" despite having a three-year relationship with his 'There's Something About Mary' co-star Cameron Diaz in the late '90s.
The leading man has dated a spate of Hollywood beauties like Heather Graham, Brooke Shields and Roberta Mastromichele.
(AP Photo)
18. Ricky Gervais
British funnyman Ricky Gervais has been dating his girlfriend Jane Fallon for over 30 years.
(AP Photo)
19. Lauren Graham
The 'Gilmore Girls' actress Graham has been dating co-star Peter Krause since 2010.
She has also dated actors Tate Donovan, Matthew Perry, and Marc Blucas, but has never married.
(Reuters Photo)
20. Condoleezza Rice
Former Secretary of State Condoleezza Rice, 61, has never married, despite a short engagement to football player Rick Upchurch in the 1970s.
&uuid=(email))