PHOTOSCelebrities Play Matchmaker, 5 Couples Who Were Set Up By a Famous Person

Cameron Diaz and Benji Madden Set Up By: Nicole Richie

During a recent taping of Watch What Happens Live, Nicole Richie took full responsibility for setting up her brother-in-law, Benji Madden, with Sex Tape star Cameron Diaz.

“I approve of anything that’s going to make Benji happy,” she said. “I am a devoted sister-in-law.”

The couple were spotted hanging out for the first time in May when they were leaving a gym together in Los Angeles.

Jennifer Aniston and Justin Theroux Were Set Up By: Robert Downey Jr.

One of Hollywood’s hottest couples, Jennifer Aniston and Justin Theroux, were introduced by a mutual friend, Robert Downey Jr., back in 2007.

"He and Jen fell in a real, legit fashion," the Iron Man star said, "and he was willing from the jump to make sacrifices."

The two, who have been engaged since August 2012, last walked the red carpet together on June 23 at The Leftovers premiere in NYC.

Emily Blunt and John Krasinski Were Set Up By: Anne Hathaway

Emily Blunt has her Devil Wears Prada costar to thank for her love life. After becoming close on set, Anne introduced The Office star and Emily in 2008. Both actors claimed it was love at first sight.

"I wasn't really looking for a relationship and I was thinking I'd take my time in L.A. and everything. Then I met (Blunt). I was so nervous (thinking), 'Oh God, I think I'm going to fall in love with her.' As I shook her hand, I went, 'I like you!' So if anybody's looking (into) how to pick up a girl, that's the way you do it!" John told Ellen DeGeneres.

The pair got married in Italy in July 2010 and welcomed daughter Hazel on February 16.

Felicity Blunt and Stanley Tucci Were Set Up By: Emily Blunt

The Devil Wears Prada cast must have been really close friends! After working with Stanley Tucci in the film, Emily Blunt introduced him to her older sister, Felicity.

The two secretly got married in August 2012 before exchanging vows for the second time in London September 2012.

Kim Kardashian and Kanye West Were Set Up By: Jimmy Kimmel

Kim Kardashian and Kanye West, the most talked about couple, were reportedly introduced by comedian Jimmy Kimmel during a 2008 Comedy Central show—even though Kanye has admitted to having a crush on her for years prior to meeting.

The two initially became friends before they started dating in Spring 2012 and then welcomed their first child together, North West, on June 15, 2013. As we all know, they got married in Florence, Italy in May.

"I just knew I wanted her to be my girl for a long time," Kanye said during an interview with Ryan Seacrest. "I remember I saw a picture of her and Paris Hilton, and I remember telling my boy, 'Have you seen that girl Kim Kar-dijon?'" Lol!