Justin Bieber 'has never felt more sure about a woman' than fiancee Hailey Baldwin (exclusive)

Justin Bieber can't wait to marry Hailey Baldwin!

A source exclusively tells ET that the 24-year-old singer has "never been so happy." 

"Justin is in a really good place, and has been telling friends he's never felt more sure about a woman in his life," the source says. "Justin is head over heels in love with Hailey."

The source continues, "Justin and Hailey get along great, are on the same page about their faith and what they both want out of their future together. It took some time for Justin and Hailey to get back together, but the couple knows it was worth the wait."

Bieber -- who previously dated Selena Gomez -- popped the question to the bride-to-be earlier this month while on vacation in the Bahamas. "Justin and Hailey can't wait to be husband and wife," the source adds.

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Justin Bieber and Hailey Baldwin together
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Justin Bieber and Hailey Baldwin together
Was gonna wait a while to say anything but word travels fast, listen plain and simple Hailey I am soooo in love with everything about you! So committed to spending my life getting to know every single part of you loving you patiently and kindLY. I promise to lead our family with honor and integrity letting Jesus through his Holy Spirit guide us in everything we do and every decision we make. My heart is COMPLETELY and FULLY YOURS and I will ALWAYS put you first! You are the love of my life Hailey Baldwin and I wouldn’t want to spend it with anybody else. You make me so much better and we compliment eachother so well!! Can’t wait for the best season of life yet!. It’s funny because now with you everything seems to make sense! The thing I am most excited for is that my little brother and sister get to see another healthy stable marriage and look for the same!!! Gods timing really is literally perfect, we got engaged on the seventh day of the seventh month, the number seven is the number of spiritual perfection, it’s true GOOGLE IT! Isn’t that nuts? By the way I didn’t plan that, anyways My goodness does feel good to have our future secured! WERE GONNA BE BETTER AT 70 BABY HERE WE GO! “He who finds a wife finds a good thing and obtains FAVOR from the Lord!” This is the year of favor!!!!
NEW YORK, NY - SEPTEMBER 15: Justin Bieber and Hailey Baldwin seen on the streets of Manhattan on September 15, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - SEPTEMBER 14: Justin Bieber and Hailey Baldwin seen on the streets of Brooklyn on September 14, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - AUGUST 06: Hailey Baldwin and Justin Bieber seen on the streets of Midtown Manhattan on August 6, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - JULY 30: Justin Bieber and Hailey Baldwin visit Frankel's Delicatessen in Brooklyn on July 30, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - AUGUST 06: Hailey Baldwin and Justin Bieber seen on the streets of Midtown Manhattan on August 6, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - JULY 30: Justin Bieber and Hailey Baldwin (L) visit Frankel's Delicatessen in Brooklyn on July 30, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - JULY 29: Justin Bieber (L) and Hailey Baldwin are seen arriving at the Hillsong Church in Midtown on July 29, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JULY 29: Justin Bieber (L) and Hailey Baldwin are seen arriving at the Hillsong Church in Midtown on July 29, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JULY 29: Justin Bieber (L) and Hailey Baldwin are seen arriving at the Hillsong Church in Midtown on July 29, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - SEPTEMBER 14: Justin Bieber and Hailey Baldwin seen on the streets of Brooklyn on September 14, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - JULY 27: Hailey Baldwin and Justin Bieber seen on the streets of Manhattan on July 27, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - JULY 12: Justin Bieber and Hailey Baldwin are seen heading to dinner in Dumbo on July 12, 2018 in New York, New York. (Photo by Alessio Botticelli/GC Images)
NEW YORK, NY - JULY 12: Justin Bieber and Hailey Baldwin are seen in Brooklyn on July 12, 2018 in New York City. (Photo by Gotham/GC Images)
LOS ANGELES, CA - APRIL 23: Kendall Jenner, Hailey Baldwin and Justin Bieber are seen in Los Angeles on April 23, 2015 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
NEW YORK, NY - JULY 05: Justin Bieber and Hailey Baldwin out and about in Dumbo on July 5, 2018. (Photo by Gotham/GC Images)
NEW YORK - JULY 05: Justin Bieber and Hailey Baldwin are seen on July 5, 2018 in New York City. (Photo by Hollywood To You/Star Max/GC Images)
NEW YORK, NY - JULY 05: Justin Bieber and Hailey Baldwin out and about in Dumbo on July 5, 2018. (Photo by Gotham/GC Images)
LOS ANGELES, CA - OCTOBER 07: Justin Bieber and Hailey Baldwin are seen on October 7, 2015 in Los Angeles, CA. (Photo by JMA/Star Max/GC Images)
LOS ANGELES, CA - OCTOBER 07: Justin Bieber and Hailey Baldwin are seen on October 7, 2015 in Los Angeles, CA. (Photo by JMA/Star Max/GC Images)
NEW YORK, NY - SEPTEMBER 06: Justin Bieber and Hailey Baldwin are seen on the street attending John Elliott during New York Fashion Week SS19 on September 6, 2018 in New York City. (Photo by Matthew Sperzel/Getty Images)
LONDON, ENGLAND - SEPTEMBER 17: Justin Bieber and Hailey Baldwin seen with a very public embrace during a walk in London's Hyde Park on September 17, 2018 in London, England. (Photo by Mark R. Milan/GC Images)
LONDON, ENGLAND - SEPTEMBER 17: Justin Bieber and Hailey Baldwin seen with a very public embrace during a walk in London's Hyde Park on September 17, 2018 in London, England. (Photo by Mark R. Milan/GC Images)
LONDON, UNITED KINGDOM - SEPTEMBER 17: Justin Bieber and Hailey Baldwin seen at St James park on September 17, 2018 in London, England. PHOTOGRAPH BY Eagle Lee / Barcroft Images (Photo credit should read PALACE LEE / Barcroft Media via Getty Images)
NEW YORK, NY - SEPTEMBER 15: Justin Bieber and Hailey Baldwin go to Starbucks on September 15, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - SEPTEMBER 15: Justin Bieber and Hailey Baldwin go to Starbucks on September 15, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - SEPTEMBER 14: Justin Bieber and Hailey Baldwin seen on the streets of Brooklyn on September 14, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - SEPTEMBER 14: Justin Bieber and Hailey Baldwin seen on the streets of Brooklyn on September 14, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - SEPTEMBER 06: Justin Bieber and Hailey Baldwin are seen on the street attending John Elliott during New York Fashion Week SS19 on September 6, 2018 in New York City. (Photo by Matthew Sperzel/Getty Images)
LOS ANGELES, CA - AUGUST 30: Justin Bieber and Hailey Baldwin are seen on August 30, 2018 in Los Angeles, CA. (Photo by SMXRF/Star Max/GC Images)
NEW YORK, NY - AUGUST 13: Justin Bieber and Hailey Baldwin are seen walking on August 13, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - AUGUST 08: Justin Bieber and Hailey Baldwin seen out and about in Manhattan on August 8, 2018 in New York City. (Photo by Robert Kamau/GC Images)
NEW YORK, NY - AUGUST 08: Hailey Baldwin and Justin Bieber visit Cutler hair salon in SoHo on August 8, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - AUGUST 08: Hailey Baldwin helps Justin Bieber with his haircut at Cutler Salon on August 8, 2018 in New York City. (Photo by Gotham/GC Images)
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It seems the duo won't have to wait long to tie the knot! According to Kim Basinger, the 21-year-old model has already picked her wedding party.

“[Hailey’s sister], Alaia, and [her cousin] Ireland, they’re in the wedding," Basinger -- who is the ex-wife of Hailey's uncle, Alec Baldwin, and the mother of her cousin, Ireland Baldwin -- told Us Weekly last week. "So, believe me… it’s cool!"

Just days ago, a source told ET that the couple's upcoming nuptials will not be too extravagant.

"Justin and Hailey have been telling friends they want to have a smaller wedding, with close family and friends, nothing too over the top," the source revealed. "The couple has discussed where they would have their wedding, in either Canada or somewhere in the States (NY or LA). They've thrown around the idea of having it in possibly both, but it's still the early stages of planning. Justin and Hailey are trying to enjoy the excitement of engagement before fully diving into wedding planning."

27 PHOTOS
Hailey Baldwin out and about
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Hailey Baldwin out and about
NEW YORK, NY - JUNE 07: Hailey Baldwin attends CHAOS x LOVE magazine party on June 7, 2018 in New York City. (Photo by John Lamparski/Getty Images)
NEW YORK, NY - JUNE 07: Hailey Baldwin (L) and Kendall Jenner are seen in Tribeca on June 7, 2018 in New York City. (Photo by Gotham/GC Images)
Hailey Baldwin attends the Whitney Museum Celebrates The 2018 Annual Gala And Studio Party at The Whitney Museum of American Art on May 22, 2018 in New York City. (Photo by Michael Ostuni/Patrick McMullan via Getty Images)

Hailey Baldwin poses in front of a 2018 Audi TT RS the 2018 Whitney Gala Sponsored By Audi on May 22, 2018 at Whitney Museum of American Art in New York City.

(Photo by Dimitrios Kambouris/Getty Images for The Whitney Museum of American Art)

Hailey Baldwin attends the 2018 Whitney Gala Sponsored By Audi on May 22, 2018 at Whitney Museum of American Art in New York City. (Photo by Dimitrios Kambouris/Getty Images for The Whitney Museum of American Art)
TV personality-model Hailey Baldwin attends the 2018 Billboard Music Awards 2018 at the MGM Grand Resort International on May 20, 2018, in Las Vegas, Nevada (Photo by LISA O'CONNOR / AFP) (Photo credit should read LISA O'CONNOR/AFP/Getty Images)
LAS VEGAS, NV - MAY 20: Model Hailey Baldwin attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Matt Winkelmeyer/Getty Images for dcp)
NEW YORK, NY - MAY 16: Hailey Baldwin attends the 2018 Turner Upfront at One Penn Plaza on May 16, 2018 in New York City. (Photo by Taylor Hill/FilmMagic)
CANNES, FRANCE - MAY 12: US model Hailey Baldwin arrives for the screening of the film 'Girls of the Sun (Les Filles du Soleil)' in competition at the 71st Cannes Film Festival, France on May 12, 2018. (Photo by Mustafa Yalcin/Anadolu Agency/Getty Images)
Hailey Baldwin at the 'Girls Of The Sun (Les Filles Du Soleil)' premiere during the 71st Cannes Film Festival at the Palais des Festivals on May ZZZ, 2018 in Cannes, France. (Photo credit should read John Rasimus / Barcroft Media via Getty Images)
CANNES, FRANCE - MAY 12: Winnie Harlow, Hailey Baldwin and Bella Hadid attend a Dior dinner during the 71st annual Cannes Film Festival at JW Marriott on May 12, 2018 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)
CANNES, FRANCE - MAY 12: Model Hailey Baldwin is seen during the 71st annual Cannes Film Festival at on May 12, 2018 in Cannes, France. (Photo by Marc Piasecki/GC Images)
NEW YORK, NY - MAY 07: Shawn Mendes and Hailey Baldwin attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Kevin Mazur/MG18/Getty Images for The Met Museum/Vogue)
NEW YORK, NY - MAY 07: Hailey Baldwin attends the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Kevin Mazur/MG18/Getty Images for The Met Museum/Vogue)
NEW YORK, NY - MAY 03: Hailey Baldwin leaves the Tiffany & Co. Paper Flowers event on May 3, 2018 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - APRIL 27: Paris Hilton (L) and Hailey Baldwin attend 'The American Meme' screening premiere during the 2018 Tribeca Film Festival at Spring Studios on April 27, 2018 in New York City. (Photo by Gary Gershoff/WireImage)
NEW YORK, NY - APRIL 27: Hailey Baldwin attends the 2018 Tribeca Film Festival World Premiere of Bert Marcus' THE AMERICAN MEME on April 27, 2018 at Spring Studios in New York City. (Photo by Dimitrios Kambouris/Getty Images for Bert Marcus Productions)
THE TONIGHT SHOW STARRING JIMMY FALLON -- Episode 0860 -- Pictured: Model Hailey Baldwin arrives for an interview on April 27, 2018 -- (Photo by: Andrew Lipovsky/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - APRIL 26: Model Hailey Baldwin is seen leaving the 'Live with Kelly and Ryan' show on April 26, 2018 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - APRIL 09: Model Hailey Baldwin attends the International Center Of Photography's 2018 Infinity Awards on April 9, 2018 in New York City. (Photo by Craig Barritt/Getty Images for ICP)
LOS ANGELES, CA - MARCH 24: Jaden Smith, Kendall Jenner and Hailey Baldwin attend March For Our Lives Los Angeles on March 24, 2018 in Los Angeles, California. (Photo by Presley Ann/WireImage)
INGLEWOOD, CA - MARCH 11: Hailey Baldwin speaks onstage during the 2018 iHeartRadio Music Awards which broadcasted live on TBS, TNT, and truTV at The Forum on March 11, 2018 in Inglewood, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)
Hailey Baldwin attends the 2018 Vanity Fair Oscar Party following the 90th Academy Awards at The Wallis Annenberg Center for the Performing Arts in Beverly Hills, California, on March 4, 2018. / AFP PHOTO / JEAN-BAPTISTE LACROIX (Photo credit should read JEAN-BAPTISTE LACROIX/AFP/Getty Images)
BEVERLY HILLS, CA - MARCH 04: Hailey Baldwin attends the 2018 Vanity Fair Oscar Party hosted by Radhika Jones at Wallis Annenberg Center for the Performing Arts on March 4, 2018 in Beverly Hills, California. (Photo by Jon Kopaloff/WireImage)
MILAN, ITALY - FEBRUARY 25: Hailey Baldwin walks the runway at the Tommy Hilfiger show during Milan Fashion Week Fall/Winter 2018/19 on February 25, 2018 in Milan, Italy. (Photo by Venturelli/WireImage)
LONDON, ENGLAND - FEBRUARY 21: *** EDITORIAL USE ONLY IN RELATION TO THE BRIT AWARDS 2018 *** Hailey Baldwin attends The BRIT Awards 2018 held at The O2 Arena on February 21, 2018 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 21: Hailey Rhode Baldwin seen attending Warner Music Group afterparty at The Freemasons' Hall on February 21, 2018 in London, England. (Photo by Ricky Vigil/GC Images)
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