Jennifer Aniston opens up like never before about her engagement and marriage to Justin Theroux

It's been two years since Jennifer Aniston said "I do" to Justin Theroux, but it seems like just yesterday.

The 48-year-old actress looks radiant on the cover of Harper's Bazaar and opens up inside the October issue to Amy Sedaris about her secret nuptials and how her handsome hubby popped the question.

Sedaris, a good friend to the couple, reveals that she was asked to be Theroux's "best man" just days before the wedding took place.  

Aniston responds, "It’s funny, I just gave Justin our edited video of the wedding for our anniversary, and it was fun to revisit it."

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Jennifer Aniston for Harper's Bazaar
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Jennifer Aniston for Harper's Bazaar
Introducing our October 2017 cover star, #JenniferAniston! In a no-holds-barred interview, funny woman, @amysedaris captures the quirkier side of everyone's favorite friend. Tap the link in our bio to see the feature. Photography by @marianovivanco Styling by @joannahillman Aniston wears @louisvuitton
🔥🔥🔥Jennifer Aniston for @harpersbazaarus #Octoberissue Shot by @marianovivanco Styled by me @joannahillman @balmain Hair by @mrchrismcmillan Make-up by @gucciwestman @sergiokletnoy @imurillo @roscoproduction #jenniferaniston #balmain
It's finally out! Beauty Jennifer Aniston for @harpersbazaarus #Octoberissue Shot by the brilliant @marianovivanco Styled by me @joannahillman @michaelkors @giuseppezanottidesign @cartier Hair by @mrchrismcmillan Make-up by @gucciwestman Interview by @amysedaris @sergiokletnoy @imurillo @roscoproduction #jenniferaniston #michaelkors
"Vitamins. Vitamins. Vitamins. I take a lot of vitamins, I'm not going to lie. It changes all the time because someone will say, 'oh my god, you don't take activated charcoal?' Then you go down a Googling hole to understand the benefits of that, or tumeric or dandelion for water retention. Now I'm doing apple cider vinegar in the morning." #JenniferAniston talks health, ghosts and career in our October 2017 cover story, link in bio. Photography by @marianovivanco Styling by @joannahillman Aniston wears @dundasworld
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Sedaris adds, "When you guys started dating, I didn’t know you, but I was like, 'I can see it, Justin. You don’t have to tell me anything about her.'”

Aniston also dishes about her engagement, and her hilarious reaction to Theroux's asking her to marry him. "When Justin proposed he put that freaking ring on my finger, and I was like, 'Holy crap, now I’m gonna have to get manicures,'" she quips.

In addition to spilling details about her relationship with Theroux, 46, the Friends star went on to talk about her return to TV with Reese Witherspoon and another career path she's been considering.

"My dream is to open a wellness center," she shares. "I have a fantasy where you have this beautiful space with facialists, rotating workouts, meditation classes, and a café with recipes that are healthier versions of delicious foods so you’re not deprived. I’m working on it in my brain."

See photos of Jennifer Aniston and Justin Theroux together:

28 PHOTOS
Justin Theroux and Jennifer Aniston together
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Justin Theroux and Jennifer Aniston together
HOLLYWOOD, CA - JULY 26: Jennifer Aniston and Justin Theroux attend the ceremony honoring Jason Bateman with Star On The Hollywood Walk Of Fame on July 25, 2017 in Hollywood, California. (Photo by JB Lacroix/WireImage)
HOLLYWOOD, CA - JULY 26: Jennifer Aniston and Justin Theroux attend the ceremony honoring Jason Bateman with Star On The Hollywood Walk Of Fame on July 25, 2017 in Hollywood, California. (Photo by JB Lacroix/WireImage)
PARIS, FRANCE - APRIL 13: Justin Theroux and Jennifer Aniston attend the Festival Serie Mania Opening Night, at Le Grand Rex on April 13, 2017 in Paris, France. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)
Jennifer Aniston and Justin Theroux seen leaving Chanel store in Paris on April 12, 2017. (Photo by Mehdi Taamallah/NurPhoto via Getty Images)
PARIS, FRANCE - APRIL 11: Actor Justin Theroux and Actress Jennifer Aniston attend the 'LVxKOONS' exhibition (Louis Vuitton and Jeff Koons Collaboration) at Musee du Louvre on April 11, 2017 in Paris, France. (Photo by Bertrand Rindoff Petroff/Getty Images)
PARIS, FRANCE - APRIL 11: (L-R) Justin Theroux and Jennifer Aniston attend the Louis Vuitton's Dinner for the Launch of Bags by Artist Jeff Koons at Musee du Louvre on April 11, 2017 in Paris, France. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)
LOS ANGELES, CA - APRIL 04: Actor Justin Theroux and actress Jennifer Aniston attend the season 3 premiere of 'The Leftovers' at Avalon Hollywood on April 4, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
BEVERLY HILLS, CA - FEBRUARY 26: Actors Jennifer Aniston and Justin Theroux arrive at the 2017 Vanity Fair Oscar Party Hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
HOLLYWOOD, CA - FEBRUARY 26: Actors Jennifer Aniston (L) and Justin Theroux pose backstage during the 89th Annual Academy Awards at Hollywood & Highland Center on February 26, 2017 in Hollywood, California. (Photo by Christopher Polk/Getty Images)
NEW YORK, NY - SEPTEMBER 28: Justin Theroux and Jennifer Aniston seen on the streets of Manhattan on September 28, 2016 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - SEPTEMBER 24: Jennifer Aniston and Justin Theroux step out for dinner in Manhattan on September 24, 2016 in New York City. (Photo by Robert Kamau/GC Images)
NEW YORK, NY - JUNE 21: Jennifer Aniston and Justin Theroux seen out on June 21, 2016 in New York City. (Photo by Robert Kamau/GC Images)
NEW YORK, NY - JUNE 19: Jennifer Aniston and Justin Theroux are seen in Midtown on June 19, 2016 in New York City. (Photo by Alo Ceballos/GC Images)
Jennifer Aniston and Justin Theroux attend the 'Zoolander 2' world premiere at Alice Tully Hall in New York City. ?? LAN (Photo by Lars Niki/Corbis via Getty Images)
SANTA MONICA, CA - JANUARY 17: Actors Jennifer Aniston and Justin Theroux arrive at the 21st Annual Critics' Choice Awards at Barker Hangar on January 17, 2016 in Santa Monica, California. (Photo by Gregg DeGuire/WireImage)
SANTA MONICA, CA - JANUARY 17: Actor Justin Theroux (L) and actress Jennifer Aniston attend the 21st Annual Critics' Choice Awards at Barker Hangar on January 17, 2016 in Santa Monica, California. (Photo by Tiffany Rose/Getty Images for Santa Margherita, Heineken and Proximo Spirits)
SANTA MONICA, CA - JANUARY 17: Justin Theroux, Will Forte and Jennifer Aniston attend the 21st Annual Critics' Choice Awards at Barker Hangar on January 17, 2016 in Santa Monica, California. (Photo by Kevin Mazur/WireImage)
NEW YORK, NY - NOVEMBER 16: Justin Theroux and Jennifer Aniston attend the Celebrity Charades Goes Medieval Gala 2015 at Capitale on November 16, 2015 in New York City. (Photo by Randy Brooke/WireImage)
AUSTIN, TX - OCTOBER 03: Actors Justin Theroux and Jennifer Aniston attend HBO's 'The Leftovers' Season 2 Premiere at Paramount Theatre on October 3, 2015 in Austin, Texas. (Photo by C Flanigan/WireImage)
HOLLYWOOD, CA - FEBRUARY 22: Actors Justin Theroux (L) and Jennifer Aniston attend the 87th Annual Academy Awards at Hollywood & Highland Center on February 22, 2015 in Hollywood, California. (Photo by Jason Merritt/Getty Images)
BEVERLY HILLS, CA - FEBRUARY 22: Actors Justin Theroux (L) and Jennifer Aniston attend the 2015 Vanity Fair Oscar Party hosted by Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 22, 2015 in Beverly Hills, California. (Photo by Alberto E. Rodriguez/WireImage)
LOS ANGELES, CA - JANUARY 25: Justin Theroux and Jennifer Aniston attend the 21st Annual Screen Actors Guild Awards at the Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Amy Graves/WireImage)
LOS ANGELES, CA - JANUARY 25: Actors Justin Theroux (L) and Jennifer Aniston attend the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
LOS ANGELES, CA - JANUARY 15: Actors Justin Theroux and Jennifer Aniston arrive at the 20th Annual Critics' Choice Movie Awards at Hollywood Palladium on January 15, 2015 in Los Angeles, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
LOS ANGELES, CA - JANUARY 15: (EXCLUSIVE COVERAGE) Actors Justin Theroux (L) and Jennifer Aniston attend the 20th annual Critics' Choice Movie Awards at the Hollywood Palladium on January 15, 2015 in Los Angeles, California. (Photo by Jason Kempin/Getty Images for A&E Network)
BEVERLY HILLS, CA - JANUARY 11: Actor Justin Theroux and actress Jennifer Aniston attend HBO's post Golden Globe Awards party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Jason LaVeris/FilmMagic)
BEVERLY HILLS, CA - JANUARY 11: Actor Justin Theroux and actress Jennifer Aniston arrive at the 16th Annual Warner Bros. And InStyle Post-Golden Globe Party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Jon Kopaloff/FilmMagic)
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Meanwhile, Aniston is set to star alongside Witherspoon in a drama series about morning shows, and she couldn't be more thrilled to share the small screen once again with the Oscar winner. 

"Lately all the great work has been on television," she says. "Reese was my little sister on Friends. She had just given birth to Ava, who’s 18 now, so it was like, 'Oh, my God, a baby with a baby!'"

Another thing fans may not know about Aniston is that she will "de-spook" her homes. "One of the first houses I rented was in Laurel Canyon, and things would literally fall off the shelves, the televisions and stereo system would all of a sudden blast, and the coffeemaker would start making coffee," she remembers. "My roommate at the time, who talked to dead people, if that doesn’t sound too crazy, did a little ceremony, and that freaked me out. I was new to Los Angeles and the spirit, past lives, New Age thing."

Aniston further reveals, "Now, every house I go to, I have a healer or a medium come through. This makes me sound like an absolute insane human being."

While Aniston is already readying her exciting return to TV, that may not be the only project she has in the works. In an exclusive interview with ET in April, Theroux -- whose screenwriting credits include Tropic Thunder and Iron Man 2 -- said he'd like to work with his wife again. The two starred in the 2012 comedy Wanderlust.

"If the right thing came around I would definitely [write] it," Theroux explained. "We toss around ideas occasionally, but it's got to be something I want to write and something she wants to act in, which is harder than you might think."

See more photos of Jennifer Aniston:

31 PHOTOS
Jennifer Aniston through the years
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Jennifer Aniston through the years
FERRIS BUELLER -- Pictured: Jennifer Aniston as Jeannie Bueller -- Photo by: Alice S. Hall/NBC/NBCU Photo Bank
1990 file photo of Jennifer Aniston at a NBC pool party in Los Angeles, California (Photo by Barry King/WireImage)
FRIENDS -- Pictured: Jennifer Aniston as Rachel Green -- (Photo by Reisig & Taylor/NBC/NBCU Photo Bank via Getty Images)
FRIENDS -- Season 1 -- Pictured: (back l-r) Matt LeBlanc as Joey Tribbiani, Lisa Kudrow as Phoebe Buffay, David Schwimmer as Ross Geller, Matthew Perry as Chandler Bing (front l-r) Courteney Cox as Monica Geller, Jennifer Aniston as Rachel Green -- (Photo by Reisig & Taylor/NBC/NBCU Photo Bank via Getty Images)
FRIENDS -- Pictured: (l-r) Courteney Cox as Monica Geller, Jennifer Aniston as Rachel Green, Lisa Kudrow as Phoebe Buffay in 'Friends', circa 1995. (Photo by NBC/NBCU Photo Bank via Getty Images)
255721 02: Jennifer Aniston poses January 4, 1996 in Aspen, CO. Along with her role as Rachel on the television show 'Friends,' actress Aniston starred in the films 'Picture Perfect' and 'She's The One.' (Photo by Russell Turiak/Liaison)
1997 Jennifer Aniston Stars In The Movie 'Til There Was You'. (Photo By Getty Images)
FRIENDS -- Season 4 -- Pictured: (l-r) Matt LeBlanc as Joey Tribbiani, Jennifer Aniston as Rachel Green, Lisa Kudrow as Phoebe Buffay (Photo by Gerald Weinman/NBC/NBCU Photo Bank via Getty Images)
UNITED STATES - NOVEMBER 03: Jennifer Aniston arrives for premiere of movie 'Meet Joe Black' at the Ziegfeld Theater. (Photo by Richard Corkery/NY Daily News Archive via Getty Images)
372882 01: Jennifer Aniston stars in 'Friends,' 1999-2000 season. Photo by: Warner Bros. NBC
Co-hosts Courteney Cox Arquette, Lisa Kudrow and Jennifer Aniston at 'The 10th Annual Fire & Ice Ball', a gala event, hosted by Lilly Tartikoff and Ronald O. Perelman, to raise funds for Revlon/UCLA women's cancer research program. 12/11/00 at the Beverly Hilton Hotel in Los Angeles, Ca. (Photo by Kevin Winter/Getty Images)
PASADENA, : Actress Jennifer Aniston of the television show 'Friends' accepts her People's Choice Award for 'Favorite Female Television Performer' during the 27th Annual People's Choice Awards 07 January 2001 in Pasadena CA. AFP Photo Lucy NICHOLSON/ (Photo credit should read LUCY NICHOLSON/AFP/Getty Images)
Jennifer Aniston on 'The Tonight Show with Jay Leno' at the NBC Studios in Burbank, Ca. 9/5/01. Los Angeles. Photo by Kevin Winter/Getty Images.
Jennifer Aniston during The 54th Annual Primetime Emmy Awards - Press Room at The Shrine Auditorium in Los Angeles, California, United States. (Photo by Gregg DeGuire/WireImage)
Jennifer Aniston (Photo by J. Merritt/FilmMagic)
Jennifer Aniston and Brad Pitt during 'Along Came Polly' Los Angeles Premiere at Mann's Chinese Theater in Hollywood, California, United States. (Photo by Jon Kopaloff/FilmMagic)
Jennifer Aniston during 9th Annual Hollywood Film Festival Awards Gala Ceremony - Show at Beverly Hilton in Los Angeles, California, United States. (Photo by J.Sciulli/WireImage)
Jennifer Aniston, presenter (Photo by Jeff Kravitz/FilmMagic)
LOS ANGELES, CA - DECEMBER 09: Actress Jennifer Aniston arrives at the premiere screening of the FX Network's 'Dirt' at the Paramount Theater on December 9, 2006 in Los Angeles, California. (Photo by Charley Gallay/Getty Images)
NEW YORK - DECEMBER 17: Jennifer Aniston visits the ''Late Show with David Letterman'' at the Ed Sullivan Theater on December 17, 2008 in New York City. (Photo by James Devaney/WireImage)
MARRAKECH, MOROCCO - NOVEMBER 26: Actress Jennifer Aniston attends the Gala evening to celebrate the re-opening of Hotel La Mamounia on November 26, 2009 in Marrakech, Morocco. (Photo by Fizcairn/WireImage)
NEW YORK - MARCH 16: Jennifer Aniston attends the premiere of 'The Bounty Hunter' at Ziegfeld Theatre on March 16, 2010 in New York, New York City. (Photo by James Devaney/WireImage)
LATE NIGHT WITH JIMMY FALLON -- Episode 876 -- Pictured: (l-r) Jennifer Aniston with host Jimmy Fallon during an interview on August 1, 2013 -- (Photo by: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)
MADRID, SPAIN - FEBRUARY 22: Actress Jennifer Aniston attends 'El Hormiguero' Tv showon February 22, 2011 in Madrid, Spain. (Photo by Juan Naharro Gimenez/Getty Images)
Actress Jennifer Aniston arrives at the 'Horrible Bosses' Los Angeles premiere at Grauman's Chinese Theatre on June 30, 2011 in Hollywood, California.
LOS ANGELES, CA - OCTOBER 17: Jennifer Aniston arrives as ELLE Honors Hollywood+s Most Esteemed Women in the 18th Annual Women in Hollywood Tribute; at The Four Seasons Beverly Hills on October 17, 2011 in Los Angeles, California. (Photo by Gregg DeGuire/FilmMagic)
BEVERLY HILLS, CA - NOVEMBER 15: Justin Theroux and Jennifer Aniston attend the American Cinematheque 26th annual award presentation at The Beverly Hilton Hotel on November 15, 2012 in Beverly Hills, California. (Photo by Jason LaVeris/FilmMagic)
TORONTO, ON - SEPTEMBER 14: Actress/producer Jennifer Aniston arrives at the 'Life Of Crime' Premiere during the 2013 Toronto International Film Festival at Roy Thomson Hall on September 14, 2013 in Toronto, Canada. (Photo by Isaiah Trickey/FilmMagic)
HOLLYWOOD, CA - NOVEMBER 21: Actress Jennifer Aniston speaks onstage during a Q&A following the screening of 'Cake' during the 2014 Variety Screening Series at ArcLight Hollywood on November 21, 2014 in Hollywood, California. (Photo by Imeh Akpanudosen/Getty Images)
LOS ANGELES, CA - AUGUST 19: Jennifer Aniston arrives at the Premiere Of Lionsgate Premiere's 'She's Funny That Way' at Harmony Gold on August 19, 2015 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
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