"The modeling thing may not have worked out, but @casamigos sure did. Happy Birthday George!" his business partner captioned the dreamy throwback snap of Clooney. The two are not only best friends, but co-founders of famous tequila brand Casamigos.
George Clooney through the years
George Clooney through the years
UNITED STATES - MAY 02: ROSEANNE - 'Let's Call It Quits' - Season One - 5/2/89, Roseanne has difficulty accepting new rules from a tough new supervisor at the factory. George Clooney (Booker) stars., (Photo by ABC Photo Archives/ABC via Getty Images)
THE FACTS OF LIFE -- Pictured: George Clooney as George Burnett -- Photo by: Ron Tom/NBCU Photo Bank
ER -- SEASON 4 -- Pictured: George Clooney as Doctor Doug Ross (Photo by Sven Arnstein/NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 1404 -- Pictured: (l-r) Actor George Clooney during an interview with host Jay Leno on June 25, 1998 -- (Photo by: Margaret Norton/NBC/NBCU Photo Bank via Getty Images)
NBC SUNDAY NIGHT AT THE MOVIES- COMBAT HIGH -- Pictured: (l-r) Keith Gordon as Max Mendelsson, George Clooney as Maj. Biff Woods -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
George Clooney and Julia Roberts during 11th Annual Critics' Choice Awards - Backstage and Audience at Santa Monica Civic Auditorium in Santa Monica, California, United States. (Photo by Chris Polk/FilmMagic)
George Clooney and Michelle Pfeiffer on phones in backseat of car in a scene from the film 'One Fine Day', 1996. (Photo by 20th Century-Fox/Getty Images)
George Clooney, Mark Wahlberg And Ice Cube Star In 'Three Kings.' '99 Wb And Village Roadshow Film Limited (Photo By Getty Images)
1999 George Clooney stars in the latest season of 'ER.'
NEW YORK, NY - MARCH 02: Actor George Clooney attends SeriousFun Children's Network's New York City Gala at Avery Fisher Hall, Lincoln Center on March 2, 2015 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
WESTWOOD, CA - DECEMBER 5: Actor George Clooney attends the 'Ocean's Eleven' Westwood Premiere on December 5, 2001 at the Mann Village Theatre in Westwood, California. (Photo by Ron Galella, Ltd./WireImage)
George Clooney (Photo by Vera Anderson/WireImage)
US actor/movie maker George Clooney speaks during the global launch of 100 LIVES initiative and the announcement of a new humanitarian prize in New York on March 10, 2015. The 100 LIVES, initiated to express gratitude to individuals and institutions whose heroic actions saved Armenian lives during the Genocide 100 years ago, is to address the issues of genocide, human rights violations and the power of positive action. AFP PHOTO/JEWEL SAMAD (Photo credit should read JEWEL SAMAD/AFP/Getty Images)
HOLLYWOOD - MARCH 31: Actor/director George Clooney arrives to the premiere of Universal Pictures' 'Leatherheads' held at Grauman's Chinese Theatre on March 31, 2008 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
BERLIN, GERMANY - FEBRUARY 8: (L to R) Actors Natascha McElhone, Ulrich Tukur, George Clooney and director Steven Soderbergh attend the 53rd Berlinale Film Festival February 8, 2003 in Berlin, Germany. Their new film 'Solaris' was written and directed by Soderbergh. (Photo by Kurt Vinion/Getty Images)
David Strathairn and George Clooney during 2005 Venice Film Festival - George Clooney - Sighting in Venice Lido, Italy. (Photo by George Pimentel/WireImage)
US actor and director George Clooney (R) and co-star Renee Zellweger arrive in London's Leicester Square on April 8, 2008 to attend the European Premiere of the film, Leatherheads directed by Clooney. AFP PHOTO / Max Nash (Photo credit should read MAX NASH/AFP/Getty Images)
LOS ANGELES - NOVEMBER 14: Actor George Clooney speaks to the media at the Four Seasons Hotel on November 14, 2006 in Los Angeles, California. (Photo by Piyal Hosain/Fotos International/Getty Images)
Nominee for Best Actor ('Michael Clayton') George Clooney (R) and gilrfriend Sarah Larson arrive for the 80th Annual Academy Awards at the Kodak Theater in Hollywood, California on February 24, 2008. AFP PHOTO / STAN HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)
Actor George Clooney speaks during the 80th Annual Academy Awards held at the Kodak Theatre on February 24, 2008 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
Matt Damon and George Clooney (Photo by Lester Cohen Archive/WireImage)
George Clooney at junket for 'Good Night and Good Luck,' a new movie. (Photo by Michael Albans/NY Daily News Archive via Getty Images)
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The soon-to-be-dad looked as hot as ever in a Casamigos sweatshirt while he stared at the camera with a sexy gaze.
Others also wished the star a happy birthday, including pal Salma Hayek and Cindy Crawford (Rande's wife).
It looks like George celebrated with his closest family and friends. Rande's birthday was just a couple weeks back, so the two had a joint celebration. Cindy's husband posted a photo birthday cake from Amal, and it was definitely fitting for the occasion:
George and Amal's twins are due in June, so we're sure they're enjoying the last couple weeks before they become parents.
Happy Birthday George!
Amal Clooney out and about
Amal Clooney out and about
LOS ANGELES, CA - OCTOBER 05: Amal Clooney at Farfetch and William Vintage Celebrate Gianni Versace Archive hosted by Elizabeth Stewart and William Banks-Blaney on October 5, 2017 in Los Angeles, California. (Photo by John Sciulli/Getty Images for Farfetch)
NEW YORK, NY - SEPTEMBER 21: Amal Clooney on September 21, 2017 in New York City. (Photo by Gotham/GC Images)
VENICE, ITALY - SEPTEMBER 02: George Clooney and Amal Clooney walk the red carpet ahead of the 'Suburbicon' screening during the 74th Venice Film Festival at Sala Grande on September 2, 2017 in Venice, Italy. (Photo by Venturelli/WireImage)
LONDON, ENGLAND - MARCH 29: Amal Clooney arrives at Villandry restaurant after attending International crimes in Syria and Iraq - Chatham House discussion on March 29, 2017 in London, England. (Photo by Ricky Vigil M/GC Images)
NEW YORK, NY - MARCH 09: Amal Clooney is seen on March 9, 2017 in New York City. (Photo by XPX/Star Max/GC Images)
Amal Clooney meets with Secretary-General Antonio Guterres at the UN Headquarters in New York City, New York, March 10, 2017. Amal Clooney is the Legal Representative for Nadia Murad Basee Taha and other Yazidi survivors. (Photo via EuropaNewswire/Gado/Getty Images).
Amal Clooney and Georges Clooney seen leaving their hotel in Paris, on February 26, 2017. (Photo by Mehdi Taamallah / Nurphoto)
Pregnant Amal Clooney and Georges Clooney seen arriving at the Ritz hotel in Paris, on February 25, 2017. (Photo by Mehdi Taamallah/NurPhoto via Getty Images)
PARIS, FRANCE - FEBRUARY 24: George Clooney and Amal Clooney arrive at the ceremony of the Cesar Film Awards 2017 at Salle Pleyel on February 24, 2017 in Paris, France. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images )
LONDON, ENGLAND - JANUARY 09: George and Amal Clooney attend the Netflix special screening and reception of The White Helmets hosted by The Clooney Foundation For Justice with George and Amal Clooney, at the Bvlgari Hotel on January 9, 2017 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images for Netflix )
British human rights lawyer Amal Clooney arrives to address the Texas Conference for Women held at the Austin Convention Center on November 15, 2016 in Austin, Texas. / AFP / SUZANNE CORDEIRO (Photo credit should read SUZANNE CORDEIRO/AFP/Getty Images)
NEW YORK, NY - SEPTEMBER 22: Amal Clooney seen out in Manhattan on September 22, 2016 in New York, NY. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
NEW YORK, NY - SEPTEMBER 21: Amal Clooney is seen in Uptown on September 21, 2016 in New York, New York. (Photo by Alessio Botticelli/GC Images)
NEW YORK, NY - SEPTEMBER 17: Amal Clooney seen on the streets of Manhattan on September 17, 2016 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - SEPTEMBER 16: Amal Clooney attends the Women In The World reception honoring appointment of UN Office on Drugs and Crime Goodwill Ambassador Nadia Murad on September 16, 2016 in New York City. (Photo by Matthew Eisman/Getty Images)
CANNES, FRANCE - MAY 12: George Clooney with wife Amal Clooney attend the 'Money Monster' premiere during the 69th annual Cannes Film Festival at the Palais des Festivals on May 12, 2016 in Cannes, France.
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BERLIN, GERMANY - FEBRUARY 11: Amal Clooney attends the 'Hail, Caesar!' premiere during the 66th Berlinale International Film Festival Berlin at Berlinale Palace on February 11, 2016 in Berlin, Germany. (Photo by Pascal Le Segretain/Getty Images)
WESTWOOD, CA - FEBRUARY 01: Amal Clooney arrives at the premiere of Universal Pictures' 'Hail, Caesar!' at Regency Village Theatre on February 1, 2016 in Westwood, California. (Photo by Gregg DeGuire/WireImage)
LONDON, ENGLAND - JANUARY 25: Amal Clooney seen leaving the Doughty St Chambers after a press conference on January 25, 2016 in London, England. (Photo by Neil Mockford/Alex Huckle/GC Images)
LONDON, UNITED KINGDOM - JANUARY 23: Amal Clooney seen leaving No 10 Downing Street after a meeting with David Cameron and Former President of Maldives Mohamed Nasheed, on January 23, 2016 in London, England.
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LONDON, ENGLAND - DECEMBER 03: Amal Clooney attends Charlotte Tilbury's naughty Christmas party celebrating the launch of Charlotte's new flagship beauty boutique in Covent Garden on December 3, 2015 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images for Charlotte Tilbury)
HOLLYWOOD, CA - OCTOBER 26: Amal Clooney and George Clooney attend the premiere of 'Our Brand Is Crisis' at TCL Chinese Theatre on October 26, 2015 in Hollywood, California. (Photo by Jason LaVeris/FilmMagic)
LONDON, ENGLAND - OCTOBER 07: Amal Clooney arrives at The Frontline Club for her talk with Mohamed Fahmy on October 7, 2015 in London, England. (Photo by SAV/GC Images)
LONDON, ENGLAND - OCTOBER 05: Amal Clooney attends a press conference at Doughty Street Chambers on October 5, 2015 in London, England. Clooney is part of an international legal team seeking to release Maldivian President Mohamed Nasheed after he was was jailed for 13 years. The UN have found Nasheed's detention in violation of international Law. (Photo by Eamonn M. McCormack/Getty Images)
NEW YORK - SEPTEMBER 30: Amal Clooney seen out in Manhattan on September 30, 2015 in New York, New York. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
NEW YORK - SEPTEMBER 29: Amal Clooney arrives at Lincoln Center for the New York Film Festival in green on September 29, 2015 in New York, New York. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
Human rights lawyer Amal Clooney leaves the Maafushi Prison in Maafushi, some 27 km from the capital Male, on September 10, 2015. Human rights lawyer Amal Clooney attended a court hearing September 10 in the Maldives where state prosecutors have done a U-turn to appeal the conviction of former president Mohamed Nasheed. Clooney was at the Maldivian High Court along with Nasheed who is serving a 13-year jail term after a rushed trial that found him guilty of 'terrorism.' The charge relates to the ordering of the arrest of an allegedly corrupt judge when Nasheed was still president in 2012. AFP PHOTO / STR (Photo credit should read STR/AFP/Getty Images)