Best friends! Jennifer Aniston's maid of honor revealed

Before you go, we thought you'd like these...
Before you go close icon
Jennifer Aniston and Justin Theroux Are Married!

"I'll be there for you like I've been there before."

The Friends theme song lyrics are definitely in our heads with the news that Courteney Cox was reportedly there as the maid of honor for longtime pal Jennifer Aniston at her wedding to Justin Theroux on Wednesday at the couple's Bel Air, California home, according to People.

What's more, a source told ET that Cox was also the last guest to leave.

Tracking Jennifer Aniston's relationships from over the years:

8 PHOTOS
Jennifer Aniston and her relationships through the years
See Gallery
Best friends! Jennifer Aniston's maid of honor revealed
Promotional portrait of American actor Jennifer Aniston for the television series, 'Friends,' c. 1995. (photo by NBC Television/Getty Images)
Brad Pitt and Jennifer Aniston at the premiere of 'The Mexican' at the National Theater in Los Angeles, Ca. 2/23/01. (Photo by Kevin Winter/Getty Images).
Brad Pitt and Jennifer Aniston at the premiere of 'Rock Star' at the Mann Village Theater in Los Angeles, Ca. 9/4/01. Photo by Kevin Winter/Getty Images.
LOS ANGELES, CA - JANUARY 25: Actress Jennifer Aniston attends the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles,California. (Photo by Frazer Harrison/Getty Images)
SANTA BARBARA, CA - JANUARY 30: Actress Jennifer Aniston attends the Montecito Award honoring Jennifer Aniston at the Arlington Theater at the 30th Santa Barbara International Film Festival on January 30, 2015 in Santa Barbara, California. (Photo by Mark Davis/Getty Images for The Santa Barbara International Film Festival)
HOLLYWOOD, CA - FEBRUARY 22: Jennifer Aniston and Emma Stone attend the 87th Annual Academy Awards at Hollywood & Highland Center on February 22, 2015 in Hollywood, California. (Photo by Jason Merritt/Getty Images)
Jennifer Aniston and Justin Theroux arrive to the 2015 Vanity Fair Oscar Party in Beverly Hills, California on February 22, 2015. AFP PHOTO/ADRIAN SANCHEZ-GONZALEZ (Photo credit should read ADRIAN SANCHEZ-GONZALEZ/AFP/Getty Images)
HIDE CAPTION
SHOW CAPTION
of
SEE ALL
BACK TO SLIDE

Cox and Aniston have remained close friends since they first starred as Monica and Rachel on Friends in 1994. Aniston is the godmother to Cox's daughter Coco, 11, and Cox even got engaged to Snow Patrol's Johnny McDaid at Aniston's home last June.

WATCH: Inside Jennifer Aniston and Justin Theroux's Wedding: The Guests, the Secret Performance & More

In February, Aniston spoke about their friendship to More magazine. "She's extremely fair, ridiculously loyal and fiercely loving," the 46-year-old actress said. "She's been there for me through thick and thin."

As for Theroux's best man, he reportedly chose his friend Scott Campbell, a tattoo artist and husband of actress Lake Bell. Pal Jimmy Kimmel was also part of the festivities as he reportedly threw The Leftovers star his Bachelor party on Monday at a barn Kimmel built next to his house.

Photos of Jennifer Aniston from throughout her career:

2 PHOTOS
jennifer aniston - updated 1/22/15
See Gallery
Best friends! Jennifer Aniston's maid of honor revealed
HOLLYWOOD, CA - FEBRUARY 22: Actress Jennifer Aniston attends the 87th Annual Academy Awards at Hollywood & Highland Center on February 22, 2015 in Hollywood, California. (Photo by Jason Merritt/Getty Images)
HIDE CAPTION
SHOW CAPTION
of
SEE ALL
BACK TO SLIDE

MORE: 9 Times Jennifer Aniston Gushed About New Husband Justin Theroux

ET learned that the bride and groom's A-list guests included Tobey Maguire, Ellen DeGeneres, Portia de Rossi, Jimmy Kimmel, Howard Stern, John Krasinski, Emily Blunt, Jason Bateman, Will Arnett, Billy Crudup, and photographer Terry Richardson.

And of course Friends costar Lisa Kudrow was in attendance as well, which made us all wonder if they had a moment like this one!

A source told ET that guests danced to Michael Jackson, P. Diddy, Rihanna and Jay Z, and since the wedding was disguised as a birthday party for Theroux, who turns 44 on Aug.10, they also sang "Happy Birthday" to him around 10 p.m.

After the ceremony, the newlyweds boarded a private jet in Van Nuys, California, for their romantic honeymoon to Bora Bora.

Watch the video below to see more about the secret wedding.

Inside Jennifer Aniston and Justin Theroux's Star-Studded Surprise Wedding!

Read Full Story

Sign up for Entertainment Insider by AOL and get the top celebrity, movies, music and TV news delivered to your inbox daily!

Subscribe to our other newsletters

Emails may offer personalized content or ads. Learn more. You may unsubscribe any time.

From Our Partners

13 People Recount Their First Kiss Horror Stories 13 People Recount Their First Kiss Horror Stories
Large Numbers Of Horses Are Being Stuffed Into These Crates For A Despicable Reason Large Numbers Of Horses Are Being Stuffed Into These Crates For A Despicable Reason
Man Suspects His Wife Is Cheating On Him - Then His Daughter Reveals What's Really Going Man Suspects His Wife Is Cheating On Him - Then His Daughter Reveals What's Really Going