Oscars 2017: 'Moonlight' wins after 'La La Land' mix up, a Mickey Mouse Club reunion and all the highlights

During the almost four hour show, the stars brought the tears, the laughter and the did that just happen moments at the Academy Awards. From Justin Timberlake kicking off the show to the ongoing frenemy situation between Matt Damon and host Jimmy Kimmel, every minute left viewers on the edge of their seat, even to the very end when Warren Beatty read the wrong title for Best Picture. Click through for all the must-see moments from Hollywood's biggest night.

Moonlight mix-up The very last moments of the show will needless to say be the most talked about of the evening. As Warren Beatty was joined by Faye Dunaway on stage, he named La La Land as the winner of the Best Picture Award before correcting themselves and announcing the actual winner as Moonlight. The mix-up occurred after the cast and crew of La La Land delivered their acceptance speech on stage. One of the producers of La La Land, Jordan Horowitz quickly reached out to the real winners to bring them on stage to accept the award. Director Barry Jenkins took to the microphone in a moving speech as everyone was still letting the big news sink in, and shared in part, "...To hell with dreams. I’m done with it. This is true.” Photo: Kevin Winter/Getty Images

Gold-winning opening Justin Timberlake opened up the award show with an epic performance of his Oscar-Nominated song Can't Stop the Feeling. The crooner had the star-studded crowd including Nicole Kidman and Keith Urban, on their feet dancing, before sharing a sweet moment and kiss with his wife Jessica Biel. Photos: Getty Images

Oscars Throwback Twenty years after winning their first Academy Award for Good Will Hunting, best buds Ben Affleck and Matt Damon reunited onstage at the 2017 Oscars to present the award for Best Original Screenplay. As part of his rivalry with host Jimmy Kimmel, Matt was introduced as “and guest” on stage. Photo: Kevin Winter/Getty Images

Golden girls Oscar nominee Emma Stone, Jessica Biel, Nicole Kidman and Dakota Johnson shined bright on the carpet donning gold ensembles to the 89th annual Academy Awards. Photos: Getty Images

Harry Potter wins first Oscar Colleen Atwood took home her fourth Academy Award for best costume design for her work on Fantastic Beasts and Where to Find Them making it the first Oscar win for the Harry Potter franchise. Photo: Frazer Harrison/Getty Images

Surprise guests Selfie-stick carrying tourists from a Hollywood Starline tour bus found themselves in the midst of Hollywood royalty when they walked into the Dolby Theatre during a hilarious tour bus skit. The star struck group shook and kissed the hands of a number of A-listers including Ryan Gosling, Meryl Streep and Nicole Kidman. Photo: MARK RALSTON/AFP/Getty Images

Gary from Chicago No denying the surprised tourist was the breakout star of the evening. Gary managed to snap selfies with celebrities including Oscar winner Mahershala Ali, in addition to getting married to his fiancée by Denzel Washington. Photo: MARK RALSTON/AFP/Getty Images

Everyone's favorite friend After having some fun with Jimmy Kimmel's tourists when Jennifer Aniston gave newlyweds on their honeymoon her sunglasses from her purse, she then took the stage to introduce Sara Bareilles as she honored all the stars lost in the last year. Before Sara sang Joni Mitchell's Both Sides Now, Jennifer teared up as she also remembered Bill Paxton, who passed away the day prior to the Oscars. Photo: Kevin Winter/Getty Images

Mickey Mouse Club Reunion Call it Disney or Oscar magic. Former Mouseketeers Justin Timberlake and Ryan Gosling had a reunion at the February 26th show. After opening the Academy Awards with his hit song Can’t Stop the Feeling, Justin shared a moment with his old pal, wrapping his arm around the Oscar nominee Photos: Kevin Winter/Getty Images

Emma's in La La Land We aren't sure what made Emma Stone's night more: winning the Oscar for Best Actress or accepting the award from Leonardo DiCaprio. As she took the stage, she first acknowledged who was handing her the trophy before going into her speech. Photo: Christopher Polk/Getty Images

Little Lion's big night After asking Lion star Sunny Pawar how he was enjoying his night amongst the stars, Jimmy decided to reenact The Lion King with the youngest attendee of the night. Sunny, who has been making quite the splash throughout the awards season, was a good sport as he was lifted above Jimmy's head. Photo: Getty Images