Khloe Kardashian’s baby’s gender revealed

Break out the baby basketball jersey: Khloe Kardashian and Tristan Thompson are expecting a boy, according to Us Weekly.

The 33-year-old reality star has yet to officially confirm her pregnancy, but news broke last month that she was expecting a bundle of joy with her boyfriend, Cleveland Cavaliers star Tristan Thompson, 26.

The pair, who have been dating since September 2016, appear to be going strong, as Kardashian shared a loved-up photo on Instagram last week.

"Marriage is definitely in the cards. They are just waiting for the right time to move forward. Khloe doesn't want to rush into anything," sources told Us of the pair's relationship.

See photos of Khloe Kardashian:

61 PHOTOS
Khloe Kardashian's Transformation: 2007 to 2017
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Khloe Kardashian's Transformation: 2007 to 2017
(EXCLUSIVE, Premium Rates Apply) Kim Kardashian, Khloe Kardashian, and Kourtney Kardashian at their store Dash (Photo by Chris Polk/FilmMagic)
WESTWOOD, CA - AUGUST 20: Khloe Kardashian attends Columbia Pictures Premiere of House Bunny at Manns Village on August 20, 2008 in Westwood, CA. (Photo by ANDREAS BRANCH/PatrickMcMullan/Patrick McMullan via Getty Images)
Khloe Kardashian, Kim Kardashian, Kourtney Kardashian and mother, Kris Jenner (Photo by Enos Solomon/FilmMagic)
LOS ANGELES, CA - NOVEMBER 18: Kim Kardashian and Khloe Kardashian attend GQ 2008 'Men Of The Year' Party at Chateau Marmont Hotel on November 18, 2008 in Los Angeles, CA. (Photo by ANDREAS BRANCH/Patrick McMullan via Getty Images)
LOS ANGELES, CA - OCTOBER 10: Kris Jenner, Kourtney Kardashian, Kim Kardashian and Khloe Kardashian attend Nick Cannon's Birthday celebration and opening of the PNB Nation store on October 10, 2006 in Los Angeles, California. (Photo by Chad Buchanan/Getty Images)
MIAMI BEACH, FL - DECEMBER 31: Khloe Kardashian walks on Collins Avenue on December 31, 2007 in Miami Florida. (Photo by Larry Marano/Getty Images)
MIAMI BEACH, FL - DECEMBER 30: Khloe Kardashian arrives at Set nightclub on December 30, 2007 in Miami Beach, Florida. (Photo by Gustavo Caballero/Getty Images)
Khloe Kardashian arrives at the 9th Annual Motorola Anniversary Party in West Hollywood. (Photo by Paul Mounce/Corbis via Getty Images)
LAS VEGAS - OCTOBER 26: Kourtney Kardashian, actress Kim Kardashian and Khloe Kardashian arrive at Kim's 27th birthday celebration at Jet Nightclub at The Mirage Hotel and Casino Resort on October 26, 2007 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage for Jet Nightclub)
LAS VEGAS - OCTOBER 26: Actress Kim Kardashian, Khloe Kardashian and Kourtney Kardashian attend Kim's 27th birthday celebration at Jet Nightclub at The Mirage Hotel and Casino Resort on October 26, 2007 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage for Jet Nightclub)
LOS ANGELES, CA - OCTOBER 25: Actresss Kim Kardashian (L) and sister Khloe Kardashian arrives at the premiere of 'Somebody Help Me' at the Grauman's Chinese Theatre on October 25, 2007 in Los Angeles, California. (Photo by Michael Buckner/Getty Images)
Khloe Kardashian and Claudia Jordan at Kim Kardashian's 27th Birthday Party on October 21, 2007 at Les Deux in Hollywood, California. (Photo by Jean Baptiste Lacroix/WireImage)
Sisters Kim (R) and KhloeKardashian arrive at the MTV Australia Awards at the Australian Technology Park in Sydney April 26, 2008. REUTERS/Patrick Riviere (AUSTRALIA)
LAS VEGAS - DECEMBER 31: ***EXCLUSIVE COVERAGE*** Television personalities Khloe Kardashian, Kim Kardashian and Kourtney Kardashian as the Kardashian sisters toast to 2009 at LAX Nightclub Las Vegas on December 31, 2008 in Las Vegas, Nevada. (Photo by Jordan Strauss/WireImage)
NEILL J. SCHUTZER/�2008 RAMEY PHOTO LOS ANGELES 12/10/08 KIM AND KHLOE KARDASHIAN OUT IN LA. NJSAM (Photo by Philip Ramey/Corbis via Getty Images)
WEST HOLLYWOOD, CA - DECEMBER 09: Khloe Kardashian attends the Ubisoft Rayman Raving Rabbids TV Party Video Game Launch Party at the Apple Lounge on December 9, 2008 in West Hollywood, California. (Photo by Noel Vasquez/Getty Images)
LOS ANGELES, CA - NOVEMBER 20: Khloe Kardashian arrives at the Jordan Melo M5 Launch Party on November 20, 2008 in Los Angeles, California. (Photo by Valerie Macon/Getty Images)
LOS ANGELES, CA - OCTOBER 31: Television personalities Khloe Kardashian and Kimberly Kardashian attend the Pur Jeans Halloween Bash at STK on October 31, 2008 in Los Angeles, California. (Photo by Mark Sullivan/WireImage)
LAS VEGAS - OCTOBER 24: Kourtney Kardashian, Britney Gastineau and Khloe Kardashian arrive to celebrate Kim Kardashian's birthday at LAX Nightclub inside Luxor Hotel and Casino on October 24, 2008 in Las Vegas, Nevada. (Photo by Bruce Gifford/FilmMagic)
WEST HOLLYWOOD, CA - OCTOBER 31: Khloe Kardashian arrives to the PUR Jeans Halloween Bash held at STK and Coco De Ville on October 31, 2008 in West Hollywood, California. (Photo by Michael Tran/FilmMagic)
Khloe Kardashian visits Famous Cupcakes in Beverly Hills on December 17, 2009 in Los Angeles, California. (Photo by Jean Baptiste Lacroix/WireImage)
TODAY -- Airdate 12/8/2009 -- Pictured: (l-r) Kim Kardashian and Khloe Kardashian appear on NBC News' 'Today' show (Photo by Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
LOS ANGELES, CA - DECEMBER 06: Khloe Kardashian and Kim Kardashian attend the 12th annual Cracked Xmas gala at The Wiltern at The Wiltern on December 6, 2009 in Los Angeles, California. (Photo by Jean Baptiste Lacroix/WireImage)
LOS ANGELES, CA - DECEMBER 06: Khloe Kardashian attends The Trevor Project's 12th Annual Cracked Xmas 12 Gala at The Wiltern Theater on December 6, 2009 in Los Angeles, California. (Photo by Angela Weiss/Getty Images)
LOS ANGELES, CA - OCTOBER 27: Khloe Kardashian (L) and Kim Kardashian (R) attend the Los Angeles Lakers vs Los Angeles Clippers game on October 27, 2009 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images)
BEVERLY HILLS, CA - OCTOBER 29: Khloe Kardashian sighting at Alice & Olivia on October 29, 2009 in Beverly Hills, California. (Photo by David Aguilera/BuzzFoto/FilmMagic)
BEVERLY HILLS, CA - OCTOBER 21: Khloe Kardashian attends the 'Rich Soil' launch party at Kitson on Roberston on October 21, 2009 in Beverly Hills, California. (Photo by Jason LaVeris/FilmMagic)
BEVERLY HILLS, CA - OCTOBER 21: TV Personality Khloe Kardashian arrives to the Rich Soil Launch at Kitson on Roberston on October 21, 2009 in Beverly Hills, California. (Photo by John Shearer/WireImage)
BEVERLY HILLS, CA - OCTOBER 21: L.A. Lakers NBA Player Lamar Odom and wife TV Personality Khloe Kardashian arrive at the Lamar Odom launch of Rich Soil Fashion Line at Kitson on Roberston on October 21, 2009 in Beverly Hills, California. (Photo by Jeffrey Mayer/WireImage)
TODAY -- Pictured: Khloe Kardashian appears on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
TODAY -- Pictured: Khloe Kardashian appears on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
WATCH WHAT HAPPENS LIVE -- Episode 668 -- Pictured: Khloe Kardashian -- (Photo by: Peter Kramer/Bravo/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 4208 -- Pictured: TV personality Khloe Kardashian Odom onstage February 28, 2012 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
Khloe Kardashian and Kourtney Kardashian launch the Kardashian holiday and resort collections at Bebe on December 8, 2010 in Beverly Hills, California.
WATER MILL, NY - JULY 31: (L-R) Kris Jenner, Khloe Kardashian and Kim Kardashian attend YUMMIE TUMMIE By Heather Thomson At Super Saturday at Nova's Ark Project on July 31, 2010 in Water Mill, NY. (Photo by MARC DIMOV/Patrick McMullan via Getty Images)
COSTA MESA, CA - MARCH 24: Khloe Kardashian (L) and Lamar Odom (R) pose during the Microsoft Store Opening at South Coast Plaza on March 24, 2011 in Costa Mesa, California. (Photo by Ryan Miller/Getty Images)
LAS VEGAS, NV - DECEMBER 15: Television personality Khloe Kardashian waves as she arrives at the grand opening of the Kardashian Khaos store at The Mirage Hotel & Casino December 15, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
NEW YORK, NY - APRIL 30: Khloe Kardashian Odom and Lamar Odom of 'Keeping Up With The Kardashians' attend E! Networks 2012 Upfront at Gotham Hall on April 30, 2012 in New York City. (Photo by Gilbert Carrasquillo/FilmMagic)
LOS ANGELES, CA - NOVEMBER 05: Khloe Kardashian arrives at FOX's 'The X Factor' finalists party at The Bazaar at the SLS Hotel Beverly Hills on November 5, 2012 in Los Angeles, California. (Photo by Jeffrey Mayer/WireImage)
BURBANK, CA - JUNE 19: Khloe Kardashian Odom celebrates the new Kardashian Sun-Kissed Line at ULTA Beauty-Burbank Empire Center on June 19, 2013 in Burbank, California. (Photo by Tibrina Hobson/WireImage)
HUNTINGTON BEACH, CA - JUNE 09: Kourtney Kardashian and Khloe Kardashian Odom attend the launch of 'Kardashian Beauty' at ULTA Beauty on June 9, 2013 in Huntington Beach, California. (Photo by Jason LaVeris/FilmMagic)
SYDNEY, AUSTRALIA - NOVEMBER 19: Khloe Kardashian arrives at the Kardashian Kollection cocktail party at the Park Hyatt Guest House on November 19, 2013 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)
LAS VEGAS, NV - JULY 04: Khloe Kardashian arrives at her 30th birthday party at TAO Nightclub on July 4, 2014 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS, NV - DECEMBER 30: Khloe Kardashian arrives at 1 OAK Nightclub at The Mirage Las Vegas on December 30, 2014 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
SYDNEY, AUSTRALIA - JULY 29: (EUROPE AND AUSTRALASIA OUT) Khloe Kardashian pictured on the balcony at Watsons Bay Boutique Hotel in Sydney, New South Wales as she launches the Kardashian Kids line. (Photo by Cameron Richardson/Newspix/Getty Images)
LOS ANGELES, CA - JULY 15: (EXCLUSIVE COVERAGE) (L-R) Model Kendall Jenner with TV Personalities Khloe Kardashian and Kylie Jenner at The 2015 ESPYS at Microsoft Theater on July 15, 2015 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)
LOS ANGELES, CA - AUGUST 24: Khloe Kardashian is seen on August 24, 2015 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - DECEMBER 26: Khloe Kardashian is seen on December 26, 2015 in Los Angeles, California. (Photo by Stone-e/Bauer-Griffin/GC Images)
WEST HOLLYWOOD, CA - JUNE 14: Khloe Kardashian attends the House of CB flagship store launch at House Of CB on June 14, 2016 in West Hollywood, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JUNE 13: Khloe Kardashian is seen on June 13, 2016 in Los Angeles, California. (Photo by BG005/Bauer-Griffin/GC Images)
LOS ANGELES, CA - JUNE 13: Khloe Kardashian is seen on June 13, 2016 in Los Angeles, California. (Photo by BG005/Bauer-Griffin/GC Images)
LOS ANGELES, CA - OCTOBER 18: Khloe Kardashian Good American Launch Event at Nordstrom at the Grove on October 18, 2016 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
DANA POINT, CA - NOVEMBER 29: Khloe Kardashian speaks onstage during the Vonversation: Liberty and Denim For All panel at Fortune MPW Next Gen 2016 on November 29, 2016 in Dana Point, California. (Photo by Joe Scarnici/Getty Images for Fortune)
NEW YORK, NY - NOVEMBER 21: Khloe Kardashian attends the 2016 Angel Ball at Cipriani Wall Street on November 21, 2016 in New York City. (Photo by Roy Rochlin/FilmMagic)
JIMMY KIMMEL LIVE - 'Jimmy Kimmel Live' airs every weeknight at 11:35 p.m. EST and features a diverse lineup of guests that include celebrities, athletes, musical acts, comedians and human interest subjects, along with comedy bits and a house band. The guests for Thursday, November 3 included Jamie Dornan ('The Fall'), Khloe Kardashian (Good American Denim and 'Keeping Up with the Kardashians') and musical guest Kings of Leon, from Nashville. (Photo by Randy Holmes/ABC via Getty Images) JIMMY KIMMEL, KHLOE KARDASHIAN
NEW YORK, NY - MAY 15: Khloe Kardashian at NBC Upfront on May 15, 2017 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - MAY 15: Khloe Kardashian attends the 2017 NBCUniversal Upfront at Radio City Music Hall on May 15, 2017 in New York City. (Photo by Dia Dipasupil/Getty Images)
NEW YORK, NY - MAY 15: Khloe Kardashian arrived at NBC 017 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - MAY 15: Khloe Kardashian attends the 2017 NBCUniversal Upfront at Radio City Music Hall on May 15, 2017 in New York City. (Photo by Taylor Hill/FilmMagic)
CLEVELAND, OH - JUNE 09: TV personalities Kourtney Kardashian and Khloe Kardashian attend Game 4 of the 2017 NBA Finals between the Golden State Warriors and the Cleveland Cavaliers at Quicken Loans Arena on June 9, 2017 in Cleveland, Ohio. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Ronald Martinez/Getty Images)
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The baby — Kardashian's first and Thompson's second — will likely be joined by some siblings soon.

Kardashian said on the June finale of "Keeping Up With the Kardashians" that Thompson wants "five or six kids."

 

We could start at one and we could grow from there. But now knowing I'm not on birth control is just, like, it's scary. It's like a really big step," she said.

The impending arrival will be the third new addition to the Kardashian family.

Kylie Jenner, 20, is currently expecting a baby girl with boyfriend Travis Scott, while Kim Kardashian and husband Kanye West are expecting their third child, a girl, via surrogate.

See photos of Khloe and Tristan together:

9 PHOTOS
Khloe Kardashian and Tristan Thompson
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Khloe Kardashian and Tristan Thompson
My love 💙
My birthday was incredible! Dream like almost! It's actually hard to put into words how special I feel and it's mainly because of this man right here! Thank you baby for treating me like a Queen every single day! Thank you to all of my friends and family for helping surprise me and for being the best anyone could ask for!! (Tap for glam details)
❤️
💕 US 💕
Sweet Sunday 💋
The Fab Four
To the happiest of birthdays my love! To the first of many more together! May God continue to bless you in all of your days! And may we forever look at one another like this 💋
❥ իմ սեր ❥ Im ser ❥ All my Love ❥
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